Java Tutorial/File/Temporary File

Create a temporary file

   <source lang="java">

import java.io.File; public class Main{

 public static void main(String[] args) throws Exception{
   File f = File.createTempFile("temp_", null);
   
   System.out.println(f.getAbsolutePath());
   
   f.deleteOnExit();
 }

}</source>

Create temporary file in specified directory

   <source lang="java">

import java.io.File; public class Main {

 public static void main(String[] args) throws Exception {
   File file = null;
   File dir = new File("C:/");
   file = File.createTempFile("JavaTemp", ".javatemp", dir);
   System.out.println(file.getPath());
 }

} //C:\JavaTemp5893283162648915021.javatemp</source>

Create temporary file with specified extension suffix

   <source lang="java">

import java.io.File; public class Main {

 public static void main(String[] args) throws Exception {
   File file1 = null;
   File file2 = null;
   file1 = File.createTempFile("JavaTemp", null);
   file2 = File.createTempFile("JavaTemp", ".java");
   System.out.println(file1.getPath());
   System.out.println(file2.getPath());
 }

}</source>