To rename file name, we use renameTo() method in file. Call renameTo() method on old file handle and pass new file handle to the method as parameter. Using renameTo() method we can also move file from one directory to the other desired directory by changing File Path.
Rename a File
package com.jminded.java.io;
import java.io.File;
/**
* https://jminded.com
* @author Umashankar
*
*/
public class RenameFiles {
public static void main(String[] args) {
// TODO Auto-generated method stub
// file handle for old file
File oldFileHandle = new File("oldFile.txt");
// file handle for new file
File newFileHandle = new File("newFile.txt");
// rename oldFile.txt to newFile.txt call renameTo() on old file handle
if (oldFileHandle.renameTo(newFileHandle)) {
// rename success
System.out.println("Rename successful!");
} else {
System.out.println("Rename failed!");
}
}
}