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Category Archives: Java Quiz

Predict the output of following Java program class Main {    public static void main(String args[]) {       try {          throw 10;       }       catch(int e) {          System.out.println("Got… Read More
class Test {     public static void main (String[] args)      {         int arr1[] = {1, 2, 3};         int arr2[] = {1, 2, 3};         if (arr1.equals(arr2))             System.out.println("Same");… Read More
Output of following Java program? import java.util.Arrays; class Test {     public static void main (String[] args)      {         int arr1[] = {1, 2, 3};         int arr2[]… Read More
Output of following Java program? class Test {     public static void main (String[] args)      {         int arr1[] = {1, 2, 3};         int arr2[] = {1,… Read More
Which of the following is/are advantages of packages? (A) Packages avoid name clashes (B) Classes, even though they are visible outside their package, can have… Read More
Which of the following is/are true about packages in Java? 1) Every class is part of some package. 2) All classes in a file are… Read More
final class Complex {     private  double re,  im;     public Complex(double re, double im) {         this.re = re;         this.im = im;     }     Complex(Complex c)     {       System.out.println("Copy… Read More
public class Main {     public static void main(String args[]) {         int arr[][] = new int[4][];         arr[0] = new int[1];         arr[1] = new int[2];         arr[2] =… Read More
Output of following Java program class Point {   int m_x, m_y;        public Point(int x, int y) { m_x = x; m_y = y; }… Read More
Is there any compiler error in the below Java program? class Point {     int m_x, m_y;      public Point(int x, int y) {    m_x = x;   … Read More
Which of the following is/are true about constructors in Java? 1) Constructor name should be same as class name. 2) If you don't define a… Read More
class Test {    public static void main(String args[]) {      int arr[] = new int[2];        System.out.println(arr[0]);      System.out.println(arr[1]);    } } (A) 0 0 (B) garbage value garbage… Read More
class Test {    public static void main(String args[]) {      int arr[2];        System.out.println(arr[0]);      System.out.println(arr[1]);    } } (A) 0 0 (B) garbage value garbage value (C) Compiler… Read More
class Base {   public final void show() {        System.out.println("Base::show() called");     } } class Derived extends Base {     public void show() {          System.out.println("Derived::show() called");     } }… Read More
class Main {  public static void main(String args[]){     final int i;     i = 20;     i = 30;     System.out.println(i);  } } (A) 30 (B) Compiler Error… Read More