import java.io.File; public class FileRenameExample { public static void main(String[] args) { File oldFile = new File("oldFile.txt"); File newFile = new File("newFile.txt"); boolean isRenamed = oldFile.renameTo(newFile); if (isRenamed) { System.out.println("File renamed successfully."); } else { System.out.println("File renaming failed."); } } }
import java.io.File; public class DirectoryRenameExample { public static void main(String[] args) { File oldDir = new File("oldDir"); File newDir = new File("newDir"); boolean isRenamed = oldDir.renameTo(newDir); if (isRenamed) { System.out.println("Directory renamed successfully."); } else { System.out.println("Directory renaming failed."); } } }These examples use the java.util package library.