How to delete given file in Java?

DeleteFile.java

package com.javamultiplex.filehandling;

import java.io.File;
import java.io.IOException;
import java.util.Scanner;

/**
 * @author Rohit Agarwal
 * @category File Handling
 * @problem How to delete given file in Java?
 * 
 */
public class DeleteFile {

	public static void main(String[] args) throws IOException {

		Scanner input = null;
		try {
			input = new Scanner(System.in);
			System.out.println("Enter file name with extension : ");
			String fileName = input.nextLine();
			if (isValidFileName(fileName)) {
				// file is present in current working directory.
				File file = new File(fileName);
				if (file.exists()) {
					boolean deleted = file.delete();
					if (deleted) {
						System.out.println("File is deleted successfully.");
					} else {
						System.out.println("Some error occured. Try again!!");
					}

				} else {
					System.out.println("File is not present in current directory.");
				}
			} else {
				System.out.println("File name is not valid.");
			}
		} finally {
			if (input != null) {
				input.close();
			}
		}

	}

	private static boolean isValidFileName(String fileName) {

		// Regular expression that checks whether given file name is valid or
		// not.
		String pattern = "^.+\\..+$";
		boolean result = false;
		if (fileName.matches(pattern)) {
			result = true;
		}
		return result;
	}
}