Java - Write code to compare two string for equal and handle null value

Requirements

Write code to compare two string for equal and handle null value

Demo

//package com.book2s;

public class Main {
    public static void main(String[] argv) {
        String a = "book2s.com";
        String b = "book2s.com";
        System.out.println(equals(a, b));
    }//from   www.  j a  v  a2s .  c  om

    public static boolean equals(String a, String b) {
        if (a == null || b == null) {
            return false;
        }

        if (a.isEmpty() && b.isEmpty()) {
            return true;
        }

        return a.equals(b);
    }
}

Related Exercise

• String Comparison
• String Language-Sensitive Comparison
• Sort three String values using if statement and String.compareTo method
• Compare two string ignoring case

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