Core Java Quizzes, Questions & Answers

Recent Quizzes

Access Specifers, Constructors and method

Questions: 35 | Attempts: 140 | Last updated: Aug 6, 2024

Sample Question
Which access modifier have almost identical behaviour as that of default.?

Protected

Public

Private

Both public and protected

Do you know the core Java language? Java is a classed based language that was made to have minimum implementation dependencies. It is a general-purpose programming language that allows application developers to run anywhere....

Questions: 40 | Attempts: 145 | Last updated: Mar 21, 2023

Sample Question
Choose the possible constructor arguments of the Float wrapper class.

Float

Double

String

Int

Byte

Core Java Mock Test-3

CORE JAVA MOCK TEST-3

INTRODUCTION TO OOPS INTRODUCTION TO JAVA AND SDE LANGUAGE FUNDAMENTALS AND OPERATORS

Questions: 45 | Attempts: 681 | Last updated: Sep 5, 2023

Sample Question
Consider the following code: 1. class Test { 2. public static void main(String args[]) { 3. double d = 12.3; 4. Dec dec = new Dec(); 5. dec.dec(d); 6. System.out.println(d); 7. } 8. } 9. class Dec{ 10. public void dec(double d) { d = d - 2.0d; } 11. } Which of the following gives the correct value printed at line 6?

Prints: 12.3

Prints: -2.0

Prints: 10.3

Prints: 0.0

An Advanced Quiz On Core Java!

JAVA is everywhere, from your microwave oven to DVD player, TV remotes to music players, almost everywhere JAVA is used. Well, cut to short, Core Java focuses on the language basics such as data structures, data types, operators,...

Questions: 45 | Attempts: 747 | Last updated: Mar 21, 2023

Sample Question
Which of the following are uses of Object class?(Choose 3)

To achieve inheritance at user-defined class level

To generate String representation of an object

To get the HashCode for an object

To achieve polymorphism at user-defined class level

To handle any Java Object in the name of Object

Choose Correct Answer Core Java

Choose correct answer Core Java

Pls do the correction if the answer is wrong in core java.

Questions: 25 | Attempts: 701 | Last updated: Mar 22, 2023

Sample Question
Which of the following may override a method whose signature is void xyz (float f)?1.void xyz(float f)2.public void xyz(float f3,private void xyz(float f)

1, 2

2, 3

3

1,3

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