Open In App

Java Multiple Choice Questions

Last Updated : 28 Jun, 2024
Summarize
Comments
Improve
Suggest changes
Like Article
Like
Save
Share
Report
News Follow

Java is a widely used high-level, general-purpose, object-oriented programming language and platform that was developed by James Gosling in 1982. Java Supports WORA(Write Once, Run Anywhere) also, it defined as 7th most popular programming language in the world.

Java language is a high-level, multi-threaded, object-oriented, independent, portable, robust, and secure programming language. So, it requires regular sharpening of the concepts.

Boost your Java skills in this article, we’ve compiled a series of Java Multiple Choice Questions. These Java MCQs Questions with Answers are designed to help you become more familiar with Java and to test your knowledge across various topics of Java.

 

 

Java Multiple Choice Questions

In this Java MCQs series, we cover the basics to advanced concepts of Java, these topic-specific MCQs offer a comprehensive way to practice and assess your understanding of Java concepts.

These Java MCQs questions are designed for both beginners and experienced Java programmers. No registration is required to start the test. Simply choose a test and begin your Java journey!

Java MCQs: Guess the Output

Well, your logical understanding is very important if you are looking for a career as a Java developer. Guessing the write output of any program is very important. Hence, in this section, we have listed the set of Java MCQs to choose the write output.

  1. Output of Java Program | Set 1
  2. Output of Java Program | Set 2
  3. Output of Java Program | Set 3
  4. Output of Java Program | Set 4
  5. Output of Java Program | Set 5
  6. Output of Java Program | Set 6
  7. Output of Java Program | Set 7
  8. Output of Java Program | Set 8
  9. Output of Java Program | Set 9
  10. Output of Java Program | Set 10(Garbage Collection)
  11. Output of Java Program | Set 11
  12. Output of Java Program | Set 12
  13. Output of Java Program | Set 13(Collections)
  14. Output of Java Program | Set 14(Constructors)
  15. Output of Java Program | Set 15 (Inner Classes)
  16. Output of Java Program | Set 16(Threads)
  17. Output of Java Program | Set 17
  18. Output of Java Program | Set 18(Overriding)
  19. Output of Java Program | Set 19
  20. Output of Java Program | Set 20(Inheritance)
  21. Output of Java Program | Set 21 (Type Conversions)
  22. Output of Java Program | Set 22(Overloading)
  23. Output of Java Program | Set 23(Inheritance)

Java Programming Multiple Choice Questions

After finding the right output, let’s explore some topic-wise Java MCQs. Here in this section, we have listed the most important Java Multiple Choiuce Questions that you will face during any interviews or exams.

  1. Inheritance(9)
  2. Abstract Class and Interface(2)
  3. Arrays(8)
  4. Data Types(2)
  5. Constructors(6)
  6. Exception Handling(4)
  7. Packages(3)
  8. Class and Object(2)
  9. Functions(6)
  10. final keyword(4)
  11. Operators(6)

Also Try

 

FAQs on Java MCQs

1 What are the benefits of using Java MCQs?

To Assess Java knowledge, enhance understanding, and identify your weak areas efficiently.

2 Where can I find Java MCQs?

Online coding platforms, Java programming websites, and educational resources.

3 How can I use Java MCQs to improve my Java skills?

Regular practice, review explanations, and focus on areas with incorrect answers.

4 What are some of the most common mistakes made in Java MCQs?

Neglecting edge cases, misunderstanding syntax, and overlooking details while reading questions.


K
kartik
News
Improve
Next Article
Java Tricky Output Questions

Similar Reads

Difference Between java.sql.Time, java.sql.Timestamp and java.sql.Date in Java
Across the software projects, we are using java.sql.Time, java.sql.Timestamp and java.sql.Date in many instances. Whenever the java application interacts with the database, we should use these instead of java.util.Date. The reason is JDBC i.e. java database connectivity uses these to identify SQL Date and Timestamp. Here let us see the differences
7 min read
Java and Multiple Inheritance
Multiple Inheritance is a feature of an object-oriented concept, where a class can inherit properties of more than one parent class. The problem occurs when there exist methods with the same signature in both the superclasses and subclass. On calling the method, the compiler cannot determine which class method to be called and even on calling which
6 min read
Execute main() multiple times without using any other function or condition or recursion in Java
Given task is to execute main() multiple times without using any other function and without recursion() and without error. Given condition is that if executing main() n times then you can only call him (n-1) times. Solution: class Test { // static block static { main(new String[] { "Hello" }); } public static void main(String[] args) { Sy
1 min read
How to Set Multiple Classpath in Java in Windows?
In JAVA, you have to set PATH and CLASSPATH variables correctly before running any java program. After installing JDK, the next step is to set the path and CLASSPATH variables in the Windows system environment variable. CLASSPATH is an environment variable which is used by Application ClassLoader to Locate and Load the class files. To Set the CLASS
2 min read
Resolving Conflicts During Multiple Inheritance in Java
A class can implement multiple interfaces in java, but what if the implemented multiple default interfaces have default methods with the same signatures? Then in the implementing class, which of the default implementations would be invoked from the several parent interfaces. Java 8 designers have been thinking about this conflict and have specified
5 min read
Creating Multiple Pools of Objects of Variable Size in Java
Object pool pattern is a software creational design pattern that is used in situations where the cost of initializing a class instance is very high. Basically, an Object pool is a container that contains some amount of objects. So, when an object is taken from the pool, it is not available in the pool until it is put back. Objects in the pool have
10 min read
Can We Have Multiple Main Methods in Java?
Java is an object-oriented language all processing is carried within classes. Execution of a program means dictates java virtual machine to load the class and then start execution of its main method. Java's main method is entry point of any Java program. Public access modifier is used before the main method so that JVM can identify the execution po
4 min read
Create HashMap with Multiple Values Associated with the Same Key in Java
In Java, HashMap is used to store the data in Key - Value pairs. One key object is associated with one value object. Below is the syntax for inserting the values into HashMap. HashMap<String, Integer> hm = new HashMap<String, Integer>(); hm.put("one", 100); hm.put("two", 200); hm.put("three", 300); If we print the above HashMap, the out
3 min read
How to Upload Multiple Files using Java Servlet?
Servlets are the server-side programs used to create dynamic web pages. They can be used to upload files on the server. This article shows two approaches for uploading multiple files on the server. index.jsp Set method: This is an attribute of <form> tag which is used to specify the http method used to send the data. HTTP provides GET and POS
3 min read
How to Select Multiple Elements using Actions Class in Selenium using Java?
Selenium is an open-source web automation tool that supports many user actions to perform in the web browser. Automating a web page that has file upload or other functionality which requires selecting multiple elements, to perform the multiple select actions the selenium provides a class called Actions. The Action class provides the method for Keyb
2 min read
How to Implement Multiple Inheritance by Using Interfaces in Java?
Multiple Inheritance is a feature of an object-oriented concept, where a class can inherit properties of more than one parent class. The problem occurs when methods with the same signature exist in both the superclasses and subclass. On calling the method, the compiler cannot determine which class method to be called and even on calling which class
2 min read
Returning Multiple values in Java
Java doesn't support multi-value returns. We can use following solutions to return multiple values. If all returned elements are of same type We can return an array in Java. Below is a Java program to demonstrate the same. // A Java program to demonstrate that a method // can return multiple values of same type by // returning an array class Test {
3 min read
Java Multiple Catch Block
Before Java 7, we had to catch only one exception type in each catch block. So, whenever we needed to handle more than one specific exception but take some action for all exceptions, we had to have more than one catch block containing the same code. In the following code, we have to handle two different exceptions but take the same action for both.
3 min read
Java Multicasting (Typecasting multiple times) Puzzle
Find the output of the program public class Multicast { public static void main(String[] args) { System.out.println((int) (char) (byte) -1); } } This program is confusing any way you slice it. It starts with the int value -1, then casts the int to a byte, then to a char, and finally back to an int. The first cast narrows the value from 32 bits down
3 min read
Why Java doesn't support Multiple Inheritance?
Multiple Inheritance is a feature provided by OOPS, it helps us to create a class that can inherit the properties from more than one parent. Some of the programming languages like C++ can support multiple inheritance but Java can't support multiple inheritance. This design choice is rooted in various reasons including complexity management, ambigui
5 min read
Inserting Single and Multiple Records in MySQL using Java
Java Database Connectivity is an API that helps us to connect a Java program to any SQL Database Instance. This connection gives power to developers to programmatically insert, delete, or update data from the database. JDBC contains in-built methods to run queries and updates on the database. In this article, we will learn how to insert single and
6 min read
Java Tricky Output Questions
Question 1: What will be the Output of the below code: public class A { public static void main(String[] args) { if (true) break; } } Choices: a) Nothing b) Error Answer: b) Error Reason: Break statement can only be used with loop or switch. So, using break with if statement causes "break outside switch or loop" error. Question 2: What will be the
3 min read
Frequently asked questions for Java Developer Position from a fresher
Java Based: OOPs concepts ( mostly polymorphism and difference between encapsulation and abstraction) Difference between abstract class and interface. Difference between == and .equals() functions. What is Hash Map ? What is Hash Table ? Types of Exceptions. Difference between Exceptions and Errors. Difference between throw, throws and throwable. D
2 min read
Top 30 Java 8 Interview Questions and Answers for 2024
Java 8 introduced a host of powerful features that have significantly enhanced the Java programming language. Introducing new features such as Lambda Expressions, Stream API, Functional Interfaces, the new Date and Time API, and more. As a result, Java 8 skills are highly sought after by employers in the tech industry. To help you prepare for your
15+ min read
Java Interview Questions on Constructors
What is a Constructor? Constructors are used to initialize the object’s state. Like methods, a constructor also contains collection of statements(i.e. instructions) that are executed at time of Object creation.Do we have Copy Constructor in Java? Like C++, Java also supports copy constructor. But, unlike C++, Java doesn’t create a default copy cons
3 min read
Commonly Asked Java Programming Interview Questions | Set 2
In this article, some of the most important Java Interview Questions and Answers are discussed, to give you the cutting edge in your interviews. Java is one of the most popular and widely used programming language and platform. Java is fast, reliable and secure. From desktop to web applications, scientific supercomputers to gaming consoles, cell ph
10 min read
Commonly Asked Java Programming Interview Questions | Set 1
Why is Java called the ‘Platform Independent Programming Language’? Platform independence means that execution of your program does not dependent on type of operating system(it could be any : Linux, windows, Mac ..etc). So compile code only once and run it on any System (In C/C++, we need to compile the code for every machine on which we run it). J
5 min read
Core Java Interview Questions For Freshers
Windows For the latest Java Interview Questions Refer to the Following Article – Java Interview Questions – Fresher and Experienced (2023) Java is one of the most popular and widely used programming languages and a platform that was developed by James Gosling in the year 1982. It is based on the concept of object-oriented Programming. A platform is
15 min read
10 Most asked Questions from Java Programmers
Hope you liked my previous post “Top 25 Interview Questions”. Here comes the next 10. 1) Design discussion on elevator. Hint: Ask questions related to elevator functionality; come up with a High Level design and Low level design. Be prepared for scheduling questions related to elevator. 2) “n” points are given , find the number of quadruplets which
1 min read
Java Interview Questions and Answers
Java is one of the most popular programming languages in the world, known for its versatility, portability, and wide range of applications. Java is the most used language in top companies such as Uber, Airbnb, Google, Netflix, Instagram, Spotify, Amazon, and many more because of its features and performance. In this article, we will provide 200+ Co
15+ min read
Java Collections Interview Questions and Answers
Java Collection Framework was introduced in JDK 1.2 which contains all the collection classes and interfaces. Java Collection is a framework that provides a mechanism to store and manipulate the collection of objects. It allows developers to access prepackaged data structures and algorithms for manipulating data. Now, Here in this Interview questio
15+ min read
Java Multithreading Interview Questions and Answers
Java Multithreading lets developers run multiple tasks at the same time, making apps faster and more responsive. Java is used by over 10 million developers on 15 billion devices, from Big Data apps to everyday gadgets like phones and DTH boxes. Big companies like Uber, Airbnb, EA, Google, Netflix, and Amazon use multithreading to handle many tasks
13 min read
Java AWT vs Java Swing vs Java FX
Java's UI frameworks include Java AWT, Java Swing, and JavaFX. This plays a very important role in creating the user experience of Java applications. These frameworks provide a range of tools and components for creating graphical user interfaces (GUIs) that are not only functional but also visually appealing. As a Java developer, selecting the righ
11 min read
Creating Multiple Screen Applications in Android
This article shows how to create an android application to move from one activity to another. Below are the steps for Creating a Simple Android Application to move from one activity to another activity. Step By Step ImplementationStep 1: Create a New Project in Android StudioTo create a new project in Android Studio please refer to How to Create/St
9 min read
How to Execute Multiple SQL Commands on a Database Simultaneously in JDBC?
Java Database Connectivity also is known as JDBC is an application programming interface in Java that is used to establish connectivity between a Java application and database. JDBC commands can be used to perform SQL operations from the Java application. Demonstrating execution of multiple SQL commands on a database simultaneously using the addBat
6 min read
Article Tags :
Practice Tags :
three90RightbarBannerImg
We use cookies to ensure you have the best browsing experience on our website. By using our site, you acknowledge that you have read and understood our Cookie Policy & Privacy Policy
Lightbox