Here’s an example to create a temporary file in Java.

Example

package com.mkyong.file;
 
import java.io.File;
import java.io.IOException;
 
public class CreateTempFileExample
{
    public static void main(String[] args)
    {	
 
    	try{
 
    	   //create a temp file
    	   File temp = File.createTempFile("temp-file-name", ".tmp"); 
 
    	   System.out.println("Temp file : " + temp.getAbsolutePath());
 
    	}catch(IOException e){
 
    	   e.printStackTrace();
 
    	}
 
    }
}

Result

Temp file : C:\Users\mkyong\AppData\Local\Temp\temp-file-name623426.tmp
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