Bài 27: Đọc và ghi file dùng luồng byte trong Java

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[/color][color=#ff8000]/* * to change this license header, choose license headers in project properties. * to change this template file, choose tools | templates * and open the template in the editor. */[/color][color=#0000bb]package bai27[/color][color=#007700];[/color][color=#0000bb]import java[/color][color=#007700].[/color][color=#0000bb]io[/color][color=#007700].[/color][color=#0000bb]fileinputstream[/color][color=#007700];[/color][color=#0000bb]import java[/color][color=#007700].[/color][color=#0000bb]io[/color][color=#007700].[/color][color=#0000bb]fileoutputstream[/color][color=#007700];[/color][color=#0000bb]import java[/color][color=#007700].[/color][color=#0000bb]io[/color][color=#007700].[/color][color=#0000bb]filenotfoundexception[/color][color=#007700];[/color][color=#0000bb]import java[/color][color=#007700].[/color][color=#0000bb]io[/color][color=#007700].[/color][color=#0000bb]ioexception[/color][color=#007700];[/color][color=#0000bb]import java[/color][color=#007700].[/color][color=#0000bb]io[/color][color=#007700].[/color][color=#0000bb]file[/color][color=#007700];[/color][color=#0000bb]import java[/color][color=#007700].[/color][color=#0000bb]util[/color][color=#007700].[/color][color=#0000bb]scanner[/color][color=#007700];[/color][color=#ff8000]/** * * @author tran */[/color][color=#007700]public class [/color][color=#0000bb]bai27copymove [/color][color=#007700]{    public static [/color][color=#0000bb]void main[/color][color=#007700]([/color][color=#0000bb]string[/color][color=#007700][] [/color][color=#0000bb]args[/color][color=#007700]) [/color][color=#0000bb]throws ioexception [/color][color=#007700]{        [/color][color=#0000bb]scanner nhap [/color][color=#007700]= new [/color][color=#0000bb]scanner[/color][color=#007700]([/color][color=#0000bb]system[/color][color=#007700].[/color][color=#0000bb]in[/color][color=#007700]);        [/color][color=#0000bb]system[/color][color=#007700].[/color][color=#0000bb]out[/color][color=#007700].print([/color][color=#dd0000]"command copy,move,delete:"[/color][color=#007700]);        [/color][color=#0000bb]string a [/color][color=#007700]= [/color][color=#0000bb]nhap[/color][color=#007700].[/color][color=#0000bb]nextline[/color][color=#007700]();        [/color][color=#0000bb]system[/color][color=#007700].[/color][color=#0000bb]out[/color][color=#007700].print([/color][color=#dd0000]"source:"[/color][color=#007700]);        [/color][color=#0000bb]string source [/color][color=#007700]= [/color][color=#0000bb]nhap[/color][color=#007700].[/color][color=#0000bb]nextline[/color][color=#007700]();        [/color][color=#0000bb]system[/color][color=#007700].[/color][color=#0000bb]out[/color][color=#007700].print([/color][color=#dd0000]"target:"[/color][color=#007700]);        [/color][color=#0000bb]string target [/color][color=#007700]= [/color][color=#0000bb]nhap[/color][color=#007700].[/color][color=#0000bb]nextline[/color][color=#007700]();               [/color][color=#0000bb]fileinputstream fin[/color][color=#007700];       [/color][color=#ff8000]//đọc file       [/color][color=#007700]try{           [/color][color=#0000bb]fin [/color][color=#007700]= new [/color][color=#0000bb]fileinputstream[/color][color=#007700]([/color][color=#0000bb]source[/color][color=#007700]);       }catch([/color][color=#0000bb]ioexception exc[/color][color=#007700]){           [/color][color=#0000bb]system[/color][color=#007700].[/color][color=#0000bb]out[/color][color=#007700].[/color][color=#0000bb]println[/color][color=#007700]([/color][color=#dd0000]"inputfile not found"[/color][color=#007700]);           return ;       }       [/color][color=#0000bb]fileoutputstream fout[/color][color=#007700];       [/color][color=#ff8000]//ghi file;       [/color][color=#007700]try{           [/color][color=#0000bb]fout [/color][color=#007700]= new [/color][color=#0000bb]fileoutputstream[/color][color=#007700]([/color][color=#0000bb]target[/color][color=#007700]);       }catch([/color][color=#0000bb]ioexception exc[/color][color=#007700]){           [/color][color=#0000bb]system[/color][color=#007700].[/color][color=#0000bb]out[/color][color=#007700].[/color][color=#0000bb]println[/color][color=#007700]([/color][color=#dd0000]"error opening output file"[/color][color=#007700]);           return ;       }catch([/color][color=#0000bb]arrayindexoutofbound***ception exc[/color][color=#007700]){           [/color][color=#0000bb]system[/color][color=#007700].[/color][color=#0000bb]out[/color][color=#007700].[/color][color=#0000bb]println[/color][color=#007700]([/color][color=#dd0000]"usage : copy to"[/color][color=#007700]);           return ;       }       [/color][color=#ff8000]//xóa        [/color][color=#0000bb]file f[/color][color=#007700];           [/color][color=#0000bb]f [/color][color=#007700]= new [/color][color=#0000bb]file[/color][color=#007700]([/color][color=#0000bb]source[/color][color=#007700]);           switch ([/color][color=#0000bb]a[/color][color=#007700]){                      case [/color][color=#dd0000]"copy"[/color][color=#007700]:       [/color][color=#ff8000]//copy       [/color][color=#0000bb]int i[/color][color=#007700];       try {           do {               [/color][color=#0000bb]i [/color][color=#007700]= [/color][color=#0000bb]fin[/color][color=#007700].[/color][color=#0000bb]read[/color][color=#007700]();               if([/color][color=#0000bb]i [/color][color=#007700]!= -[/color][color=#0000bb]1[/color][color=#007700]){                   [/color][color=#0000bb]fout[/color][color=#007700].[/color][color=#0000bb]write[/color][color=#007700]([/color][color=#0000bb]i[/color][color=#007700]);               }           } while ([/color][color=#0000bb]i [/color][color=#007700]!= -[/color][color=#0000bb]1[/color][color=#007700]);                  }catch([/color][color=#0000bb]ioexception exc[/color][color=#007700]){           [/color][color=#0000bb]system[/color][color=#007700].[/color][color=#0000bb]out[/color][color=#007700].[/color][color=#0000bb]println[/color][color=#007700]([/color][color=#dd0000]"file error"[/color][color=#007700]);       }           [/color][color=#0000bb]fin[/color][color=#007700].[/color][color=#0000bb]close[/color][color=#007700]();           [/color][color=#0000bb]fout[/color][color=#007700].[/color][color=#0000bb]close[/color][color=#007700]();               break;           case [/color][color=#dd0000]"move"[/color][color=#007700]:       [/color][color=#ff8000]//move       [/color][color=#0000bb]int j[/color][color=#007700];       try{           do{               [/color][color=#0000bb]j [/color][color=#007700]= [/color][color=#0000bb]fin[/color][color=#007700].[/color][color=#0000bb]read[/color][color=#007700]();               if([/color][color=#0000bb]j [/color][color=#007700]!= -[/color][color=#0000bb]1[/color][color=#007700]){                   [/color][color=#0000bb]fout[/color][color=#007700].[/color][color=#0000bb]write[/color][color=#007700]([/color][color=#0000bb]j[/color][color=#007700]);               }                          } while([/color][color=#0000bb]j [/color][color=#007700]!= -[/color][color=#0000bb]1[/color][color=#007700]);       }catch([/color][color=#0000bb]ioexception exc[/color][color=#007700]){           [/color][color=#0000bb]system[/color][color=#007700].[/color][color=#0000bb]out[/color][color=#007700].[/color][color=#0000bb]println[/color][color=#007700]([/color][color=#dd0000]"file error"[/color][color=#007700]);       }       [/color][color=#0000bb]fin[/color][color=#007700].[/color][color=#0000bb]close[/color][color=#007700]();       [/color][color=#0000bb]fout[/color][color=#007700].[/color][color=#0000bb]close[/color][color=#007700]();         [/color][color=#0000bb]f[/color][color=#007700].[/color][color=#0000bb]delete[/color][color=#007700]();               break;           case [/color][color=#dd0000]"delete"[/color][color=#007700]:               [/color][color=#0000bb]f[/color][color=#007700].[/color][color=#0000bb]delete[/color][color=#007700]();               break;    }    }}[/color] 

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[/color][color=#ff8000]/* * to change this license header, choose license headers in project properties. * to change this template file, choose tools | templates * and open the template in the editor. */[/color][color=#0000bb]package bai27[/color][color=#007700];[/color][color=#0000bb]import java[/color][color=#007700].[/color][color=#0000bb]io[/color][color=#007700].[/color][color=#0000bb]file[/color][color=#007700];[/color][color=#0000bb]import java[/color][color=#007700].[/color][color=#0000bb]io[/color][color=#007700].[/color][color=#0000bb]fileinputstream[/color][color=#007700];[/color][color=#0000bb]import java[/color][color=#007700].[/color][color=#0000bb]io[/color][color=#007700].[/color][color=#0000bb]fileoutputstream[/color][color=#007700];[/color][color=#0000bb]import java[/color][color=#007700].[/color][color=#0000bb]io[/color][color=#007700].[/color][color=#0000bb]filenotfoundexception[/color][color=#007700];[/color][color=#0000bb]import java[/color][color=#007700].[/color][color=#0000bb]io[/color][color=#007700].[/color][color=#0000bb]ioexception[/color][color=#007700];[/color][color=#0000bb]import java[/color][color=#007700].[/color][color=#0000bb]util[/color][color=#007700].[/color][color=#0000bb]scanner[/color][color=#007700];[/color][color=#ff8000]/** * * @author tran */[/color][color=#007700]public class [/color][color=#0000bb]copymovedelphuongthuc [/color][color=#007700]{        public static [/color][color=#0000bb]void main[/color][color=#007700]([/color][color=#0000bb]string[/color][color=#007700][] [/color][color=#0000bb]args[/color][color=#007700]) [/color][color=#0000bb]throws ioexception [/color][color=#007700]{      [/color][color=#0000bb]string a[/color][color=#007700],[/color][color=#0000bb]cmd [/color][color=#007700],[/color][color=#0000bb]source [/color][color=#007700]= [/color][color=#0000bb]null[/color][color=#007700],[/color][color=#0000bb]target [/color][color=#007700]= [/color][color=#0000bb]null[/color][color=#007700];      [/color][color=#0000bb]string [/color][color=#007700][] [/color][color=#0000bb]result[/color][color=#007700];      [/color][color=#0000bb]scanner input [/color][color=#007700]= new [/color][color=#0000bb]scanner[/color][color=#007700]([/color][color=#0000bb]system[/color][color=#007700].[/color][color=#0000bb]in[/color][color=#007700]);        [/color][color=#0000bb]system[/color][color=#007700].[/color][color=#0000bb]out[/color][color=#007700].[/color][color=#0000bb]println[/color][color=#007700]([/color][color=#dd0000]"input as sample 'copy c:\test.txt e:\test.txt'"[/color][color=#007700]);      [/color][color=#0000bb]cmd [/color][color=#007700]= [/color][color=#0000bb]input[/color][color=#007700].[/color][color=#0000bb]nextline[/color][color=#007700]();      [/color][color=#0000bb]result [/color][color=#007700]= [/color][color=#0000bb]cmd[/color][color=#007700].[/color][color=#0000bb]split[/color][color=#007700]([/color][color=#dd0000]" "[/color][color=#007700]);      [/color][color=#0000bb]a [/color][color=#007700]= [/color][color=#0000bb]result[/color][color=#007700][[/color][color=#0000bb]0[/color][color=#007700]];      [/color][color=#0000bb]source [/color][color=#007700]= [/color][color=#0000bb]result[/color][color=#007700][[/color][color=#0000bb]1[/color][color=#007700]];      [/color][color=#0000bb]target [/color][color=#007700]= [/color][color=#0000bb]result[/color][color=#007700][[/color][color=#0000bb]2[/color][color=#007700]];       [/color][color=#ff8000]//input          [/color][color=#007700]switch([/color][color=#0000bb]a[/color][color=#007700]){          case [/color][color=#dd0000]"copy" [/color][color=#007700]:              [/color][color=#0000bb]copyf[/color][color=#007700]([/color][color=#0000bb]source[/color][color=#007700],[/color][color=#0000bb]target[/color][color=#007700]);              break;          case [/color][color=#dd0000]"move" [/color][color=#007700]:                     [/color][color=#0000bb]movef[/color][color=#007700]([/color][color=#0000bb]source[/color][color=#007700],[/color][color=#0000bb]target[/color][color=#007700]);              break;          case [/color][color=#dd0000]"delete" [/color][color=#007700]:                    [/color][color=#0000bb]deletef[/color][color=#007700]([/color][color=#0000bb]source[/color][color=#007700]);              break;          default :              [/color][color=#0000bb]system[/color][color=#007700].[/color][color=#0000bb]out[/color][color=#007700].[/color][color=#0000bb]println[/color][color=#007700]([/color][color=#dd0000]"comand fail!!!!"[/color][color=#007700]);                    }        }    public static [/color][color=#0000bb]void copyf[/color][color=#007700]([/color][color=#0000bb]string source[/color][color=#007700],[/color][color=#0000bb]string target[/color][color=#007700]) [/color][color=#0000bb]throws ioexception[/color][color=#007700]{        [/color][color=#0000bb]fileinputstream fin [/color][color=#007700];        [/color][color=#0000bb]fileoutputstream fout[/color][color=#007700];              try{          [/color][color=#0000bb]fin [/color][color=#007700]= new [/color][color=#0000bb]fileinputstream[/color][color=#007700]([/color][color=#0000bb]source[/color][color=#007700]);             }catch([/color][color=#0000bb]ioexception exc[/color][color=#007700]){                  [/color][color=#0000bb]system[/color][color=#007700].[/color][color=#0000bb]out[/color][color=#007700].[/color][color=#0000bb]println[/color][color=#007700]([/color][color=#dd0000]"input file not found"[/color][color=#007700]);                  return ;            }      try{          [/color][color=#0000bb]fout [/color][color=#007700]= new [/color][color=#0000bb]fileoutputstream[/color][color=#007700]([/color][color=#0000bb]target[/color][color=#007700]);      }catch([/color][color=#0000bb]ioexception exc[/color][color=#007700]){          [/color][color=#0000bb]system[/color][color=#007700].[/color][color=#0000bb]out[/color][color=#007700].[/color][color=#0000bb]println[/color][color=#007700]([/color][color=#dd0000]"error oppening file"[/color][color=#007700]);          return ;      }catch([/color][color=#0000bb]arrayindexoutofbound***ception exc[/color][color=#007700]){          [/color][color=#0000bb]system[/color][color=#007700].[/color][color=#0000bb]out[/color][color=#007700].[/color][color=#0000bb]println[/color][color=#007700]([/color][color=#dd0000]"usage : copy file to"[/color][color=#007700]);          return ;      }                      [/color][color=#0000bb]int i[/color][color=#007700];        try{            do{                [/color][color=#0000bb]i [/color][color=#007700]= [/color][color=#0000bb]fin[/color][color=#007700].[/color][color=#0000bb]read[/color][color=#007700]();                if([/color][color=#0000bb]i[/color][color=#007700]!= -[/color][color=#0000bb]1[/color][color=#007700]){                    [/color][color=#0000bb]fout[/color][color=#007700].[/color][color=#0000bb]write[/color][color=#007700]([/color][color=#0000bb]i[/color][color=#007700]);                }             }while ([/color][color=#0000bb]i[/color][color=#007700]!= -[/color][color=#0000bb]1[/color][color=#007700]);        }catch([/color][color=#0000bb]ioexception exc[/color][color=#007700]){                    [/color][color=#0000bb]system[/color][color=#007700].[/color][color=#0000bb]out[/color][color=#007700].[/color][color=#0000bb]println[/color][color=#007700]([/color][color=#dd0000]"copy error"[/color][color=#007700]);                    }           [/color][color=#0000bb]fin[/color][color=#007700].[/color][color=#0000bb]close[/color][color=#007700]();           [/color][color=#0000bb]fout[/color][color=#007700].[/color][color=#0000bb]close[/color][color=#007700]();            }        public static [/color][color=#0000bb]void movef[/color][color=#007700]([/color][color=#0000bb]string source[/color][color=#007700], [/color][color=#0000bb]string target[/color][color=#007700]) [/color][color=#0000bb]throws ioexception[/color][color=#007700]{        [/color][color=#0000bb]fileinputstream fin [/color][color=#007700];        [/color][color=#0000bb]fileoutputstream fout [/color][color=#007700];        [/color][color=#0000bb]file file[/color][color=#007700];        [/color][color=#0000bb]file  [/color][color=#007700]= new [/color][color=#0000bb]file[/color][color=#007700]([/color][color=#0000bb]source[/color][color=#007700]);        try{            [/color][color=#0000bb]fin [/color][color=#007700]= new [/color][color=#0000bb]fileinputstream[/color][color=#007700]([/color][color=#0000bb]source[/color][color=#007700]);        }catch([/color][color=#0000bb]ioexception exc[/color][color=#007700]){            [/color][color=#0000bb]system[/color][color=#007700].[/color][color=#0000bb]out[/color][color=#007700].[/color][color=#0000bb]println[/color][color=#007700]([/color][color=#dd0000]"input file not found"[/color][color=#007700]);            return ;        }        try{            [/color][color=#0000bb]fout [/color][color=#007700]= new [/color][color=#0000bb]fileoutputstream[/color][color=#007700]([/color][color=#0000bb]target[/color][color=#007700]);        }        catch([/color][color=#0000bb]arrayindexoutofbound***ception exc[/color][color=#007700]){            [/color][color=#0000bb]system[/color][color=#007700].[/color][color=#0000bb]out[/color][color=#007700].[/color][color=#0000bb]println[/color][color=#007700]([/color][color=#dd0000]"usage : copy file to "[/color][color=#007700]);            return ;        }        [/color][color=#0000bb]int i[/color][color=#007700];        try{            do {                [/color][color=#0000bb]i [/color][color=#007700]= [/color][color=#0000bb]fin[/color][color=#007700].[/color][color=#0000bb]read[/color][color=#007700]();                if ([/color][color=#0000bb]i [/color][color=#007700]!= -[/color][color=#0000bb]1[/color][color=#007700]) {                    [/color][color=#0000bb]fout[/color][color=#007700].[/color][color=#0000bb]write[/color][color=#007700]([/color][color=#0000bb]i[/color][color=#007700]);                }            } while ([/color][color=#0000bb]i [/color][color=#007700]!= -[/color][color=#0000bb]1[/color][color=#007700]);                    }catch([/color][color=#0000bb]ioexception exc[/color][color=#007700]){            [/color][color=#0000bb]system[/color][color=#007700].[/color][color=#0000bb]out[/color][color=#007700].[/color][color=#0000bb]println[/color][color=#007700]([/color][color=#dd0000]"move error"[/color][color=#007700]);        }        [/color][color=#0000bb]fin[/color][color=#007700].[/color][color=#0000bb]close[/color][color=#007700]();        [/color][color=#0000bb]fout[/color][color=#007700].[/color][color=#0000bb]close[/color][color=#007700]();        [/color][color=#0000bb]file[/color][color=#007700].[/color][color=#0000bb]delete[/color][color=#007700]();    }    public static [/color][color=#0000bb]void deletef[/color][color=#007700]([/color][color=#0000bb]string source[/color][color=#007700]){        [/color][color=#0000bb]file file[/color][color=#007700];        [/color][color=#0000bb]file [/color][color=#007700]= new [/color][color=#0000bb]file[/color][color=#007700]([/color][color=#0000bb]source[/color][color=#007700]);                [/color][color=#0000bb]file[/color][color=#007700].[/color][color=#0000bb]delete[/color][color=#007700]();    }    }   [/color] 

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[/color][color=#ff8000]//biến màn hình console thành màn hình lệnh như sau://- nếu bạn gõ từ "copy", thì chương trình sẽ hỏi địa chỉ file cần copy,//bạn gõ địa chỉ file cần copy vào, nếu không tồn tại sẽ bắt nhập lại,//nếu tồn tại sẽ hỏi địa chỉ file đích,//sau đó chương trình sẽ copy file đó. tương tự với các lệnh "move", "delete"[/color][color=#0000bb]package bai27[/color][color=#007700];[/color][color=#0000bb]import java[/color][color=#007700].[/color][color=#0000bb]io[/color][color=#007700].*;[/color][color=#0000bb]import java[/color][color=#007700].[/color][color=#0000bb]util[/color][color=#007700].[/color][color=#0000bb]scanner[/color][color=#007700];[/color][color=#0000bb]import java[/color][color=#007700].[/color][color=#0000bb]util[/color][color=#007700].[/color][color=#0000bb]logging[/color][color=#007700].[/color][color=#0000bb]level[/color][color=#007700];[/color][color=#0000bb]import java[/color][color=#007700].[/color][color=#0000bb]util[/color][color=#007700].[/color][color=#0000bb]logging[/color][color=#007700].[/color][color=#0000bb]logger[/color][color=#007700];public class [/color][color=#0000bb]bai27 [/color][color=#007700]{    public static [/color][color=#0000bb]void main[/color][color=#007700]([/color][color=#0000bb]string[/color][color=#007700][] [/color][color=#0000bb]args[/color][color=#007700]) [/color][color=#0000bb]throws ioexception[/color][color=#007700]{        [/color][color=#0000bb]scanner in [/color][color=#007700]= new [/color][color=#0000bb]scanner[/color][color=#007700]([/color][color=#0000bb]system[/color][color=#007700].[/color][color=#0000bb]in[/color][color=#007700]);        [/color][color=#0000bb]string a[/color][color=#007700],[/color][color=#0000bb]nguon[/color][color=#007700],[/color][color=#0000bb]dich[/color][color=#007700],[/color][color=#0000bb]nguon1 [/color][color=#007700]= [/color][color=#0000bb]null[/color][color=#007700],[/color][color=#0000bb]dich1[/color][color=#007700],[/color][color=#0000bb]xoa [/color][color=#007700]= [/color][color=#0000bb]null[/color][color=#007700];        [/color][color=#0000bb]system[/color][color=#007700].[/color][color=#0000bb]out[/color][color=#007700].[/color][color=#0000bb]println[/color][color=#007700]([/color][color=#dd0000]"nhập lệnh muốn thực hiện(copy/move/delete): "[/color][color=#007700]);        [/color][color=#0000bb]a [/color][color=#007700]= [/color][color=#0000bb]in[/color][color=#007700].[/color][color=#0000bb]nextline[/color][color=#007700]();              [/color][color=#0000bb]fileoutputstream fout [/color][color=#007700]= [/color][color=#0000bb]null[/color][color=#007700];        [/color][color=#0000bb]fileinputstream fin [/color][color=#007700]= [/color][color=#0000bb]null[/color][color=#007700];              if([/color][color=#0000bb]a[/color][color=#007700].[/color][color=#0000bb]equals[/color][color=#007700]([/color][color=#dd0000]"copy"[/color][color=#007700])){            for ([/color][color=#0000bb]int i [/color][color=#007700]= [/color][color=#0000bb]0[/color][color=#007700]; [/color][color=#0000bb]i [/color][color=#007700]< [/color][color=#0000bb]1[/color][color=#007700]; [/color][color=#0000bb]i[/color][color=#007700]++) {            [/color][color=#0000bb]system[/color][color=#007700].[/color][color=#0000bb]out[/color][color=#007700].[/color][color=#0000bb]println[/color][color=#007700]([/color][color=#dd0000]"nhập địa chỉ file cần copy: "[/color][color=#007700]);            [/color][color=#0000bb]nguon [/color][color=#007700]= [/color][color=#0000bb]in[/color][color=#007700].[/color][color=#0000bb]nextline[/color][color=#007700]();                      try {                [/color][color=#0000bb]fin [/color][color=#007700]= new [/color][color=#0000bb]fileinputstream[/color][color=#007700]([/color][color=#0000bb]nguon[/color][color=#007700]);            } catch ([/color][color=#0000bb]filenotfoundexception ex[/color][color=#007700]) {                [/color][color=#0000bb]system[/color][color=#007700].[/color][color=#0000bb]out[/color][color=#007700].[/color][color=#0000bb]println[/color][color=#007700]([/color][color=#dd0000]"địa chỉ file không tồn tại. nhập lại"[/color][color=#007700]);                [/color][color=#0000bb]i[/color][color=#007700]--;            }            }            for ([/color][color=#0000bb]int i [/color][color=#007700]= [/color][color=#0000bb]0[/color][color=#007700]; [/color][color=#0000bb]i [/color][color=#007700]< [/color][color=#0000bb]1[/color][color=#007700]; [/color][color=#0000bb]i[/color][color=#007700]++) {                [/color][color=#0000bb]system[/color][color=#007700].[/color][color=#0000bb]out[/color][color=#007700].[/color][color=#0000bb]println[/color][color=#007700]([/color][color=#dd0000]"copy đến: "[/color][color=#007700]);                [/color][color=#0000bb]dich [/color][color=#007700]= [/color][color=#0000bb]in[/color][color=#007700].[/color][color=#0000bb]nextline[/color][color=#007700]();                              try {                    [/color][color=#0000bb]fout [/color][color=#007700]= new [/color][color=#0000bb]fileoutputstream[/color][color=#007700]([/color][color=#0000bb]dich[/color][color=#007700]);                } catch ([/color][color=#0000bb]filenotfoundexception ex[/color][color=#007700]) {                    [/color][color=#0000bb]system[/color][color=#007700].[/color][color=#0000bb]out[/color][color=#007700].[/color][color=#0000bb]println[/color][color=#007700]([/color][color=#dd0000]"địa chỉ file không tồn tại. nhập lại"[/color][color=#007700]);                    [/color][color=#0000bb]i[/color][color=#007700]--;                }catch([/color][color=#0000bb]arrayindexoutofbound***ception ex[/color][color=#007700]){                    [/color][color=#0000bb]system[/color][color=#007700].[/color][color=#0000bb]out[/color][color=#007700].[/color][color=#0000bb]println[/color][color=#007700]([/color][color=#dd0000]"lỗi"[/color][color=#007700]);                }            }                      try{            [/color][color=#0000bb]int x[/color][color=#007700];            do{                [/color][color=#0000bb]x [/color][color=#007700]= [/color][color=#0000bb]fin[/color][color=#007700].[/color][color=#0000bb]read[/color][color=#007700]();                if([/color][color=#0000bb]x [/color][color=#007700]!=-[/color][color=#0000bb]1[/color][color=#007700]){                    [/color][color=#0000bb]fout[/color][color=#007700].[/color][color=#0000bb]write[/color][color=#007700]([/color][color=#0000bb]x[/color][color=#007700]);                }            }while([/color][color=#0000bb]x [/color][color=#007700]!= -[/color][color=#0000bb]1[/color][color=#007700]);        }catch([/color][color=#0000bb]ioexception ex[/color][color=#007700]){                [/color][color=#0000bb]system[/color][color=#007700].[/color][color=#0000bb]out[/color][color=#007700].[/color][color=#0000bb]println[/color][color=#007700]([/color][color=#dd0000]"error file"[/color][color=#007700]);        }            [/color][color=#0000bb]fin[/color][color=#007700].[/color][color=#0000bb]close[/color][color=#007700]();            [/color][color=#0000bb]fout[/color][color=#007700].[/color][color=#0000bb]close[/color][color=#007700]();    }else if([/color][color=#0000bb]a[/color][color=#007700].[/color][color=#0000bb]equals[/color][color=#007700]([/color][color=#dd0000]"move"[/color][color=#007700])){            for ([/color][color=#0000bb]int i [/color][color=#007700]= [/color][color=#0000bb]0[/color][color=#007700]; [/color][color=#0000bb]i [/color][color=#007700]< [/color][color=#0000bb]1[/color][color=#007700]; [/color][color=#0000bb]i[/color][color=#007700]++) {                [/color][color=#0000bb]system[/color][color=#007700].[/color][color=#0000bb]out[/color][color=#007700].[/color][color=#0000bb]println[/color][color=#007700]([/color][color=#dd0000]"nhập địa chỉ file cần di chuyển: "[/color][color=#007700]);                [/color][color=#0000bb]nguon1 [/color][color=#007700]= [/color][color=#0000bb]in[/color][color=#007700].[/color][color=#0000bb]nextline[/color][color=#007700]();                try {                [/color][color=#0000bb]fin [/color][color=#007700]= new [/color][color=#0000bb]fileinputstream[/color][color=#007700]([/color][color=#0000bb]nguon1[/color][color=#007700]);            } catch ([/color][color=#0000bb]filenotfoundexception ex[/color][color=#007700]) {                [/color][color=#0000bb]system[/color][color=#007700].[/color][color=#0000bb]out[/color][color=#007700].[/color][color=#0000bb]println[/color][color=#007700]([/color][color=#dd0000]"địa chỉ file không tồn tại. nhập lại"[/color][color=#007700]);                [/color][color=#0000bb]i[/color][color=#007700]--;            }            }            for ([/color][color=#0000bb]int i [/color][color=#007700]= [/color][color=#0000bb]0[/color][color=#007700]; [/color][color=#0000bb]i [/color][color=#007700]< [/color][color=#0000bb]1[/color][color=#007700]; [/color][color=#0000bb]i[/color][color=#007700]++) {                [/color][color=#0000bb]system[/color][color=#007700].[/color][color=#0000bb]out[/color][color=#007700].[/color][color=#0000bb]println[/color][color=#007700]([/color][color=#dd0000]"chuyển đến: "[/color][color=#007700]);                [/color][color=#0000bb]dich1 [/color][color=#007700]= [/color][color=#0000bb]in[/color][color=#007700].[/color][color=#0000bb]nextline[/color][color=#007700]();                              try {                    [/color][color=#0000bb]fout [/color][color=#007700]= new [/color][color=#0000bb]fileoutputstream[/color][color=#007700]([/color][color=#0000bb]dich1[/color][color=#007700]);                } catch ([/color][color=#0000bb]filenotfoundexception ex[/color][color=#007700]) {                    [/color][color=#0000bb]system[/color][color=#007700].[/color][color=#0000bb]out[/color][color=#007700].[/color][color=#0000bb]println[/color][color=#007700]([/color][color=#dd0000]"địa chỉ file không tồn tại. nhập lại"[/color][color=#007700]);                    [/color][color=#0000bb]i[/color][color=#007700]--;                }catch([/color][color=#0000bb]arrayindexoutofbound***ception ex[/color][color=#007700]){                    [/color][color=#0000bb]system[/color][color=#007700].[/color][color=#0000bb]out[/color][color=#007700].[/color][color=#0000bb]println[/color][color=#007700]([/color][color=#dd0000]"lỗi"[/color][color=#007700]);                }            }                      try{            [/color][color=#0000bb]int x[/color][color=#007700];            do{                [/color][color=#0000bb]x [/color][color=#007700]= [/color][color=#0000bb]fin[/color][color=#007700].[/color][color=#0000bb]read[/color][color=#007700]();                if([/color][color=#0000bb]x [/color][color=#007700]!=-[/color][color=#0000bb]1[/color][color=#007700]){                    [/color][color=#0000bb]fout[/color][color=#007700].[/color][color=#0000bb]write[/color][color=#007700]([/color][color=#0000bb]x[/color][color=#007700]);                }            }while([/color][color=#0000bb]x [/color][color=#007700]!= -[/color][color=#0000bb]1[/color][color=#007700]);        }catch([/color][color=#0000bb]ioexception ex[/color][color=#007700]){                [/color][color=#0000bb]system[/color][color=#007700].[/color][color=#0000bb]out[/color][color=#007700].[/color][color=#0000bb]println[/color][color=#007700]([/color][color=#dd0000]"error file"[/color][color=#007700]);        }            [/color][color=#0000bb]fin[/color][color=#007700].[/color][color=#0000bb]close[/color][color=#007700]();            [/color][color=#0000bb]fout[/color][color=#007700].[/color][color=#0000bb]close[/color][color=#007700]();            try{                [/color][color=#0000bb]file file [/color][color=#007700]= new [/color][color=#0000bb]file[/color][color=#007700]([/color][color=#0000bb]nguon1[/color][color=#007700]);                if([/color][color=#0000bb]file[/color][color=#007700].[/color][color=#0000bb]delete[/color][color=#007700]()){                    [/color][color=#0000bb]system[/color][color=#007700].[/color][color=#0000bb]out[/color][color=#007700].[/color][color=#0000bb]println[/color][color=#007700]([/color][color=#0000bb]file[/color][color=#007700].[/color][color=#0000bb]getname[/color][color=#007700]());                }else{                    [/color][color=#0000bb]system[/color][color=#007700].[/color][color=#0000bb]out[/color][color=#007700].[/color][color=#0000bb]println[/color][color=#007700]([/color][color=#dd0000]"không thể xóa file gốc"[/color][color=#007700]);                }                }catch([/color][color=#0000bb]exception e[/color][color=#007700]){                    [/color][color=#0000bb]system[/color][color=#007700].[/color][color=#0000bb]out[/color][color=#007700].[/color][color=#0000bb]println[/color][color=#007700]([/color][color=#dd0000]"lỗi"[/color][color=#007700]+[/color][color=#0000bb]e[/color][color=#007700]);            }              }else if([/color][color=#0000bb]a[/color][color=#007700].[/color][color=#0000bb]equals[/color][color=#007700]([/color][color=#dd0000]"delete"[/color][color=#007700])){            for ([/color][color=#0000bb]int i [/color][color=#007700]= [/color][color=#0000bb]0[/color][color=#007700]; [/color][color=#0000bb]i [/color][color=#007700]< [/color][color=#0000bb]1[/color][color=#007700]; [/color][color=#0000bb]i[/color][color=#007700]++) {                [/color][color=#0000bb]system[/color][color=#007700].[/color][color=#0000bb]out[/color][color=#007700].[/color][color=#0000bb]println[/color][color=#007700]([/color][color=#dd0000]"file cần xóa là: "[/color][color=#007700]);                [/color][color=#0000bb]xoa [/color][color=#007700]= [/color][color=#0000bb]in[/color][color=#007700].[/color][color=#0000bb]nextline[/color][color=#007700]();                try{                    [/color][color=#0000bb]fin [/color][color=#007700]= new [/color][color=#0000bb]fileinputstream[/color][color=#007700]([/color][color=#0000bb]xoa[/color][color=#007700]);                }catch([/color][color=#0000bb]filenotfoundexception ex[/color][color=#007700]){                    [/color][color=#0000bb]system[/color][color=#007700].[/color][color=#0000bb]out[/color][color=#007700].[/color][color=#0000bb]println[/color][color=#007700]([/color][color=#dd0000]"file không tồn tại. nhập lại!!!"[/color][color=#007700]);                    [/color][color=#0000bb]i[/color][color=#007700]--;                }            }            [/color][color=#0000bb]fin[/color][color=#007700].[/color][color=#0000bb]close[/color][color=#007700]();            try{                [/color][color=#0000bb]file file1 [/color][color=#007700]= new [/color][color=#0000bb]file[/color][color=#007700]([/color][color=#0000bb]xoa[/color][color=#007700]);                if([/color][color=#0000bb]file1[/color][color=#007700].[/color][color=#0000bb]delete[/color][color=#007700]()){                    [/color][color=#0000bb]system[/color][color=#007700].[/color][color=#0000bb]out[/color][color=#007700].[/color][color=#0000bb]println[/color][color=#007700]([/color][color=#0000bb]file1[/color][color=#007700].[/color][color=#0000bb]getname[/color][color=#007700]()+[/color][color=#dd0000]" xóa"[/color][color=#007700]);                }else{                    [/color][color=#0000bb]system[/color][color=#007700].[/color][color=#0000bb]out[/color][color=#007700].[/color][color=#0000bb]println[/color][color=#007700]([/color][color=#dd0000]"không thể xóa file"[/color][color=#007700]);                }            }catch([/color][color=#0000bb]exception ex[/color][color=#007700]){                [/color][color=#0000bb]system[/color][color=#007700].[/color][color=#0000bb]out[/color][color=#007700].[/color][color=#0000bb]println[/color][color=#007700]([/color][color=#dd0000]"lỗi "[/color][color=#007700]+ [/color][color=#0000bb]ex[/color][color=#007700]);            }              }else{            [/color][color=#0000bb]system[/color][color=#007700].[/color][color=#0000bb]out[/color][color=#007700].[/color][color=#0000bb]println[/color][color=#007700]([/color][color=#dd0000]"nhập sai lệnh !!!"[/color][color=#007700]);    }}}[/color] 

</blockquote></div>
</div>
</div>

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