1   
2   import java.awt.*;
3   import java.awt.event.*;
4   import javax.swing.*;
5   import java.io.*;
6   
7   void  DeleteFiles(String sExt, String sPath){
8       File fDirectory = new File(sPath); 
9       File[]  aFile= fDirectory.listFiles();//list all files in directory
10    
11      for( int i=0; i<aFile.length; i++){// loop through content of directory
12      if(aFile[i].isFile()){ //check if its a file
13       String sFile=  aFile[i].toString(); //gets a string
14       sFile= sFile.toLowerCase(); // set it to lowercase
15    if( sFile.endsWith(sExt) ==true){ //check if the file ends with extention
16         aFile[i].delete(); //deletes file
17       }
18      } 
19      }
20   }
21          
22  
23    void jButton2_actionPerformed(ActionEvent e) {
24      
25    //Call to delete files use lowercase for sending mask   
26      DeleteFiles(".txt","C:\\Test\\");
27  
28    }
29