Explore topic-wise MCQs in Java (MCQ) questions and answers.

This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Java (MCQ) questions and answers knowledge and support exam preparation. Choose a topic below to get started.

Explore topic-wise MCQs in Java (MCQ) questions and answers.

The following exceptions:NullPointerException,ArrayIndexOutOfBoundsException,ArithmeticException,NumberFormatException are seen in _______

These two waysBy extending Thread classBy implementing Runnable interface.are used to?

Whichdefault exception handler that performs the following tasks:- Prints out exception description.- Prints the stack trace (Hierarchy of methods where the exception occurred).- Causes the program to terminate.

Which access specifiers can be used for a class so that it s members can be accessed by a different class in the different package?

Give the Output for the following program? class Char {public static void main(String args[]) {char ch1, ch2;ch1 = 88; // code for Xch2 = 'Y';System.out.print("ch1 and ch2: ");System.out.println(ch1 + " " + ch2);}}

If you are inserting any value in the wrong index as shown below,1. int a[]=new int[5]; 2. a[10]=50;it would result in ______.

The following program is an example for?class Student{ int id; String name; void display(){System.out.println(id+" "+name);}public static void main(String args[]){ Student s1=new Student(); Student s2=new Student(); s1.display(); s2.display(); } }

The following program is an example of?class Simple{ public static void main(String args[]){ String s="Sachin"; System.out.println(s.length());//6 } }

The following Syntax is used for?class Subclass-name extends Superclass-name { //methods and fields }

The following two rules are defined by?1. The parameters may differ in their type or number, or in both.2. They may have the same or different return types.