Java - Write code to check if a string is Empty Or Null

Requirements

Write code to check if a string is Empty Or Null

Use ||, the logical or operator

Hint

check for null value then check for empty string using isEmpty() method

Demo

//package com.book2s;

public class Main {
    public static void main(String[] argv) {
        String str = "book2s.com";
        System.out.println(isEmptyOrNull(str));
    }//ww  w .ja  v  a2 s. co  m

    public static boolean isEmptyOrNull(String str) {
        return str == null || str.isEmpty();
    }
}