Week 14 jobs

Topic: write an application, enter a directory and a file type, display the directory meets all files of that type. Thereafter, the cut one of these files to another directory.

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Code:

package My;
import java.util.*;
import java.io.*;
class FileAccept implements FilenameFilter{
    String type;
    FileAccept(String type){
        this.type = type;
    }
    public boolean accept(File dir, String name) {
        return name.endsWith(type);
    }
    
}
public class Test12_05 {

    public  static  void main (String [] args) {
         // the TODO Auto-Generated Stub Method 
        System.out.println ( "Enter a directory" );
        Scanner reader = new Scanner(System.in); 
        String s = reader.next();
        File dir = new File(s);                        
        System.out.println ( "Enter file type" );
        Scanner reader2 = new Scanner(System.in); 
        String k = reader2.next();
        FileAccept con = new FileAccept(k);
        String fileList[] = dir.list(con);
        System.out.println ( "directory has" + fileList.length + "files" );
         for ( int I = 0; I <fileList.length; I ++ ) {
            System.out.println(fileList[i]);
        }        
        System.out.println ( "Enter file to cut" );
        Scanner reader3 = new Scanner(System.in);        
        G String = reader3.next ();     // store the file name 
        String f = S + "\\" + G;         // directory previously entered + \ + filename 
        File dir2 = new new File (f);
        FilePath String = "D: \\ \\ Java.Test New Folder" + "\\" + G;     // cut position to 
        the try (in the BufferedReader = new new the BufferedReader ( new new the FileReader (F)); // automatically Close the resource written 
            BufferedWriter, Writer = new new BufferedWriter, ( new new FileWriter (FilePath));    
            ) {        
            String line = null;
            while((line=in.readLine())!=null) {
                System.out.println(line);
                writer.write(line);
            }
        } catch (FileNotFoundException e) {
            e.printStackTrace ();
        } catch (IOException e) {
            e.printStackTrace ();
        }
        dir2.delete ();                 // delete files
        
    }
}

 

 

 

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operation result:

Cut ago:

Cut the original directory:

Cut back to the directory: