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

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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  a  2 s .c o m*/

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