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.

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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 order of operations

1 / 15

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

1) 1020Java

2) Java30

3) 30Java

4) Java1020

Think about implementing functionality

2 / 15

Which keyword is used to inherit interfaces in Java?

1) extends

2) abstract

3) implements

4) inherits

Think about initialization

3 / 15

Which method is called automatically when an object is created?

1) final

2) constructor

3) static

4) main()

One option is just a regular word

4 / 15

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

1) goto

2) static

3) volatile

4) const

Think about post-check loops

5 / 15

Which loop is guaranteed to execute at least once?

1) for

2) do-while

3) while

4) foreach

Think about reserved words in Java

6 / 15

Which of the following is not a Java keyword?

1) include

2) static

3) extends

4) volatile

Think about equality checks

7 / 15

Which operator is used to compare two values in Java?

1) =

2) equals

3) ==

4) <>

Think about combining strings

8 / 15

Which operator is used for concatenating strings in Java?

1) %

2) +

3) *

4) &

Think about encapsulation

9 / 15

Which access modifier is the most restrictive?

1) protected

2) private

3) default

4) public

Think about immutability

10 / 15

Which keyword is used to declare a constant in Java?

1) const

2) finalize

3) static

4) final

Think about floating-point numbers

11 / 15

Which data type is used for decimal values in Java?

1) char

2) int

3) double

4) boolean

Think about the starting point

12 / 15

Which method is the entry point of a Java program?

1) main()

2) constructor()

3) start()

4) init()

Think about post-condition checks

13 / 15

Which loop is guaranteed to execute at least once?

1) do-while

2) while

3) foreach

4) for

Think about making a class unextendable

14 / 15

Which keyword is used to prevent inheritance in Java?

1) final

2) const

3) static

4) private

Think about extending functionality

15 / 15

Which keyword is used to inherit a class in Java?

1) extends

2) inherits

3) implements

4) super

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Java Quiz (Basic)

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