File delete

In this chapter you will learn:

How to delete a file in Java
How to delete a file on exiting the JVM

Delete a file

When deleting a file we can choose to delete right away or delete when existing JVM.

boolean delete() deletes the file or directory.
void deleteOnExit() requests that the file or directory to be deleted when the virtual machine terminates.

import java.io.File;
import java.io.IOException;
/*from  jav a  2s .co m*/
public class Main {

  public static void main(String[] args) {

    
    try {
      File tempFile = File.createTempFile("abc","txt",new File("c:\\"));
      tempFile.delete();
    } catch (IOException e) {
      e.printStackTrace();
    }
  }
}

Delete a file on exit

The following code uses deleteOnExit method:

import java.io.File;
import java.io.IOException;
/*from ja v  a  2 s  .c o  m*/
public class Main {

  public static void main(String[] args) {

    
    try {
      File tempFile = File.createTempFile("abc","txt",new File("c:\\"));
      tempFile.deleteOnExit();
    } catch (IOException e) {
      e.printStackTrace();
    }
  }
}