Are you just starting out with Java programming? Our Java Basic Quiz is designed to help you test your understanding of fundamental concepts like variables, data types, loops, and classes. Ideal for beginners, this quiz is a great way to practice basic coding skills and build a strong foundation in Java.

Why Take This Quiz?

Test your basic Java knowledge
Learn by practicing beginner-level questions
Build a strong foundation for object-oriented programming

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Java (Basic)

Take our Java Basic Quiz to test your foundational Java knowledge. Perfect for beginners learning about variables, loops, and classes. Start now!

Max Time : 10 Min.

The number of attempts remaining is 5

One option is just a regular word

1 / 15

Which of the following is not a reserved keyword in Java?

1) goto

2) static

3) const

4) volatile

Think about initialization defaults

2 / 15

What is the default value of a boolean variable in Java?

1) 0

2) false

3) true

4) null

Think about order of operations

3 / 15

What is the output of System.out.println(10 + 20 + "Java")?

1) Java30

2) 30Java

3) 1020Java

4) Java1020

Think about instantiation

4 / 15

Which keyword is used to create an object in Java?

1) create

2) new

3) object

4) static

Think about equality checks

5 / 15

Which operator is used to compare two values in Java?

1) equals

2) <>

3) ==

4) =

Think about combining strings

6 / 15

Which operator is used for concatenating strings in Java?

1) &

2) *

3) %

4) +

Think about collections and arrays

7 / 15

Which loop is known as an enhanced for loop?

1) for-each

2) do-while

3) for

4) while

Think about implementing functionality

8 / 15

Which keyword is used to inherit interfaces in Java?

1) abstract

2) extends

3) inherits

4) implements

Think about encapsulation

9 / 15

Which access modifier is the most restrictive?

1) default

2) public

3) protected

4) private

Think about threading basics

10 / 15

Which method is used to start a thread execution?

1) init()

2) execute()

3) run()

4) start()

Think about commonly used classes

11 / 15

Which package is imported by default in every Java program?

1) java.io

2) java.lang

3) java.net

4) java.util

Think about initialization

12 / 15

Which method is called automatically when an object is created?

1) main()

2) final

3) static

4) constructor

Think about immutability

13 / 15

Which keyword is used to declare a constant in Java?

1) finalize

2) const

3) final

4) static

Think about measuring size

14 / 15

Which method is used to find the length of a string?

1) size()

2) measure()

3) length()

4) count()

Think about making a class unextendable

15 / 15

Which keyword is used to prevent inheritance in Java?

1) static

2) final

3) const

4) private

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Java Quiz (Basic)

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