Java/src/main/java/com/examplehub/basics/Operator.java at master · JavaCimcoz/Java · GitHub

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package com.examplehub.basics;

public class Operator {
  public static void main(String[] args) {
    int a = 3;
    int b = 4;
    System.out.println("a + b = " + (a + b)); /* a + b = 7 */
    System.out.println("a - b = " + (a - b)); /* a - b = -1 */
    System.out.println("a * b = " + (a * b)); /* a * b = 12 */
    System.out.println("a / b = " + (a / b)); /* a / b = 0 */
    System.out.println("3 / 4.0 = " + 3 / 4.0); /* 3 / 4.0 = 0.75 */
    System.out.println("a % b = " + (a % b)); /* a % b = 3 */

    int i = 1;
    i++;
    System.out.println("i = " + i); /* i = 2 */

    i--;
    System.out.println("i = " + i); /* i = 1 */

    int j = 5;
    System.out.println("j++ = " + j++); /* j++ = 5 */
    System.out.println("j = " + j); /* j = 6 */

    int k = 10;
    System.out.println("++k = " + ++k); /* ++k = 11 */
    System.out.println("k = " + k); /* k = 11 */

    System.out.println("3&4 = " + (3 & 4));
    System.out.println("3|4 = " + (3 | 4));
    System.out.println("~4 = " + ~4);
    System.out.println("3^4 = " + (3 ^ 4));
    System.out.println("4<<1 = " + (4 << 1));
    System.out.println("4>>1=" + (4 >> 1));
    System.out.println("4>>>1=" + (4 >>> 1));

    System.out.println(3 == 3); /* true */
    System.out.println(3 == 4); /* false */
    System.out.println("helloworld" == "helloworld"); /* true */
    String abc = "HelloWorld";
    String abc1 = "HelloWorld";
    System.out.println(abc == abc1); /* true */

    System.out.println(3 != 3); /* false */
    System.out.println(3 != 4); /* true */
    System.out.println(3 > 4); /* false */
    System.out.println(3 < 4); /* true */
    System.out.println(3 >= 3); /* true */
    System.out.println(3 <= 4); /* true */

    int age = 3;
    System.out.println("age = " + age); /* age = 3 */

    age += 1; /* age = age + 1 */
    System.out.println("age = " + age); /* age = 4 */

    int number = 16;
    System.out.println("number = " + number); /* number = 16 */
    number >>= 1; /* number = number >> 1 */
    System.out.println("number = " + number); /* number = 8 */

    System.out.println(true && true); /* true */
    System.out.println(true && false); /* false */
    System.out.println(false && true); /* false */
    System.out.println(false && false); /* false */

    System.out.println(true || false); /* true */
    System.out.println(false || false); /* false */

    System.out.println(!true); /* false */
    System.out.println(!false); /* true */
  }
}