How to rename a file in Java

In this tutorial, we are going to see how to rename a file in Java.

Java provides the renameTo() method to rename a file. The return value (true if the file is renamed successfully, false if it fails) should always be checked to ensure that the file is renamed successfully.
 

How to rename a file in Java

The following example will rename the existing file “aaaa.txt” to “bbbb.txt”.

import java.io.File;

public class Main 
{
  public static void main(String[] args)
  {	
		File oldF = new File("aaaa.txt");
		File newF = new File("bbbb.txt");
		
		if(oldF.renameTo(newF)){
			System.out.println("File was renamed successfully");
		}else{
			System.out.println("Unable to rename the file");
		}
  }
}

Output:

File was renamed successfully

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