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11th Grade Java Quizzes, Questions & Answers

Recent Java Quizzes

Core Java Quiz and Java Online Test Quiz

Questions: 31 | Attempts: 285 | Last updated: Mar 22, 2025

Sample Question
Is the following statement true or false? The constructor of a class must not have a return type.

True

False

Java Review - Arrays, Methods, Classes and Inheritance

Questions: 46 | Attempts: 288 | Last updated: Mar 20, 2025

Sample Question
Methods can return more than one primitive data type or object.

True

False

The Java Programming Test Quiz: Trivia!

Questions: 35 | Attempts: 701 | Last updated: Mar 20, 2025

Sample Question
Object-Oriented Programming means ...

Being objective about what you develop

Designing the application based on the objects discovered when analysing the problem

Writing an algorithm before writing your program and having a test plan

Writing a program composed of Java classes

IEEE Tech Event Contest

Questions: 6 | Attempts: 434 | Last updated: Mar 20, 2025

Sample Question
What is the size of a Char in Java?

1 bit

4 bit

8 bit

16 bit

Java Trivia Test Quiz

Questions: 38 | Attempts: 3725 | 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

Questions: 10 | Attempts: 263 | 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

Questions: 20 | Attempts: 1516 | 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

Questions: 22 | Attempts: 12437 | 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)

Questions: 30 | Attempts: 231 | 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

Questions: 40 | Attempts: 97 | 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.

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