Check Even or Odd Number in Java http://www.chankok.com/java-check-even-or-odd-number/

CheckEvenOddNumberExample.java

package com.chankok.operators;

public class CheckEvenOddNumberExample {

    public static void main(String[] args) {

        // Initial the integer array
        int[] intArrays = {-5, -4, -3, -2, -1, 0, 1, 2, 3, 4, 5};

        /*
         * Example 1: Check even or odd number using modulus operator (%)
         */
        System.out.println("Example 1: Use modulus operator");
        for (int number: intArrays) {
            if (number % 2 == 0) {
                // This is even number
                System.out.println(number + " is even number");
            } else {
                // This is odd number
                System.out.println(number + " is odd number");
            }
        }

        // Print new line
        System.out.println();

        /*
         * Example 2: Check even or odd number using bitwise AND operator (&)
         */
        System.out.println("Example 2: Use bitwise AND operator");
        for (int number: intArrays) {
            if ((number & 1) == 0) {
                // This is even number
                System.out.println(number + " is even number");
            } else {
                // This is odd number
                System.out.println(number + " is odd number");
            }
        }

    }

}