11th Grade Java Quizzes, Questions & Answers

Recent Java Quizzes

Java is one of the most popular computer programming languages. If you've studied about it, then try this Java trivia test quiz and see if you can pass this test or not. This might also give you the chance to revise your...

Questions: 38 | Attempts: 3722 | Last updated: May 22, 2025

Sample Question
Consider the following code: Line no 1:class Outer{ Line no 2:public static class Inner{ Line no 3:} Line no 4:public static void display(){ } } Line no 5:public class Test Line no 6:{ Line no 7:public static void main(String args[]) Line no 8:{ Line no 9://Replace with code from the option below Line no 10:}} Which of the following option when replaced at line no 9,instantiates an instance of the nested class?

Outer o = new Outer(); Outer.Inner oi = o.new Outer.Inner();

Outer.Inner o = new Outer.Inner();

Outer.Inner oi = new Inner();

Inner oi = new Outer.Inner();

Basic Concepts Of Java Quiz

Basic Concepts Of JAVA Quiz

This Basic Concepts Of JAVA Quiz is designed to test your understanding of essential JAVA programming principles. This quiz covers key topics such as data types, variables, operators, control statements, loops, arrays, and...

Questions: 10 | Attempts: 256 | Last updated: Jul 3, 2025

Sample Question
What is the primary purpose of the "this" keyword in Java?

Differentiate the local variable and global variable

Differentiate the function

Not available

None of the above

Java (Programming Language) Quiz Questions

Java (programming language) quiz questions

This is a Java programming language quiz. Take this practice quiz and learn more codings of java.

Questions: 20 | Attempts: 1486 | Last updated: Mar 22, 2025

Sample Question
Which of the following statement is true regarding constructors? Which of the following statement is true regarding constructors?

Default Constructors are optional only for the classes that does not have constructors

Default Constructors are Optional for all classes

Can be overloaded across inherited classes

Abstract classes cannot have constructors

Advanced Java Quiz

Have you practiced Java enough that you are ready to learn advanced Java? Take this advanced Java quiz, and see how much you have learned. This will examine your understanding of JSP, Servlet, and Design patterns. You will get an...

Questions: 22 | Attempts: 12231 | Last updated: Sep 1, 2025

Sample Question
Which method in the HttpServlet class services the HTTP POST request? (Select one)

DoPost(ServletRequest, ServletResponse)

DoPOST(ServletRequest, ServletResponse)

ServicePost(HttpServletRequest, HttpServletResponse)

DoPost(HttpServletRequest, HttpServletResponse)

Eclipse Java

Eclipse JAVA

This Eclipse JAVA quiz assesses knowledge in Java programming, focusing on thread handling, operations, and concurrency. It tests understanding of thread behavior, output predictions, and Java's fundamental concepts, enhancing...

Questions: 30 | Attempts: 229 | Last updated: Jul 12, 2025

Sample Question
Consider the following code: public class TestOne { public static void main(String args[]) { byte x = 3; byte y = 5; System.out.print((y%x) + ", "); System.out.println(y == ((y/x) *x +(y%x))); } } Which of the following gives the valid output for above?

Prints 2, false

Prints: 1, true

Prints: 2, true

Prints: 1, true

Java Core Mock Test 4

java core mock test 4

This 'java core mock test 4' assesses knowledge on Java core concepts such as exception handling, interfaces, abstract classes, and inheritance. It is designed to test understanding of code snippets, error identification, and...

Questions: 40 | Attempts: 96 | Last updated: Oct 7, 2025

Sample Question
Under which of the following scenarios a checked exception is thrown? (Choose 2)

A. Given username and password is checked with database and found invalid

B. 5th element of an array is accessed, whose size is 3

C. length() method is called on a String object, that is assigned to null

D. A file that actually does not exist, is opened for reading

E. An attempt to connect to the database is made but failed.

Core Java Test 4

CORE JAVA TEST 4

CORE JAVA TEST 4 assesses knowledge in Java programming, focusing on class instance comparison, BitSet collections, Java Map interface, ArrayList features, Enumeration interface, and SortedSet usage. Key for learners enhancing...

Questions: 40 | Attempts: 651 | Last updated: Sep 7, 2025

Sample Question
Which statements are true about comparing two instances of the same class,given that the equals() and hashCode() methods have been properly overridden? (choose all that apply)

If the equals()methood returns true,the hashCode() comparison==might return false.

If the equals()methood returns false,the hashCode() comparison==might return true.

If the hashCode() comparison==returns true,the equals() method must return true

If the hashCode() comparison==returns true,the equals() method might return true

If the hashCode() comparison!=returns true,the equals() method must return true

Java Core Mock Test-3

java core mock test-3

This Core Java mock test assesses knowledge of Java's access modifiers, inheritance, array initializations, and method overriding. It is designed to enhance understanding of Java programming principles and prepare learners for...

Questions: 35 | Attempts: 140 | Last updated: Aug 6, 2025

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

Protected

Public

Private

Both public and protected

Core Java Hardest Test: Trivia Quiz!

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: 148 | Last updated: Mar 21, 2025

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: 683 | Last updated: Sep 5, 2025

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

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