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

Think about the starting point

1 / 15

Which method is the entry point of a Java program?

1) start()

2) init()

3) constructor()

4) main()

Think about commonly used classes

2 / 15

Which package is imported by default in every Java program?

1) java.io

2) java.util

3) java.lang

4) java.net

Think about immutability

3 / 15

Which keyword is used to declare a constant in Java?

1) finalize

2) static

3) const

4) final

Think about implementing functionality

4 / 15

Which keyword is used to inherit interfaces in Java?

1) abstract

2) inherits

3) extends

4) implements

Think about the most open access level

5 / 15

Which access modifier makes a member visible to all classes?

1) public

2) protected

3) default

4) private

Think about order of operations

6 / 15

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

1) 30Java

2) Java1020

3) Java30

4) 1020Java

Think about initialization defaults

7 / 15

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

1) true

2) 0

3) false

4) null

Think about floating-point numbers

8 / 15

Which data type is used for decimal values in Java?

1) int

2) double

3) char

4) boolean

Think about parsing values

9 / 15

Which method is used to convert a string to an integer?

1) valueOf()

2) Integer.parseInt()

3) parse()

4) toInt()

Think about instantiation

10 / 15

Which keyword is used to create an object in Java?

1) static

2) create

3) object

4) new

Think about collections and arrays

11 / 15

Which loop is known as an enhanced for loop?

1) do-while

2) while

3) for

4) for-each

Think about initialization

12 / 15

Which method is called automatically when an object is created?

1) static

2) main()

3) constructor

4) final

Think about post-check loops

13 / 15

Which loop is guaranteed to execute at least once?

1) while

2) do-while

3) foreach

4) for

Think about the number of bits

14 / 15

What is the size of an int in Java?

1) 32 bits

2) 16 bits

3) 64 bits

4) 8 bits

One option is just a regular word

15 / 15

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

1) goto

2) static

3) const

4) volatile

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Java Quiz (Basic)

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