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 immutability

1 / 15

Which keyword is used to declare a constant in Java?

1) finalize

2) static

3) const

4) final

Think about implementing functionality

2 / 15

Which keyword is used to inherit interfaces in Java?

1) abstract

2) extends

3) implements

4) inherits

Think about the most open access level

3 / 15

Which access modifier makes a member visible to all classes?

1) protected

2) default

3) private

4) public

Think about equality checks

4 / 15

Which method is used to compare two strings in Java?

1) ==

2) equalsIgnoreCase()

3) compareTo()

4) equals()

Think about floating-point numbers

5 / 15

Which data type is used for decimal values in Java?

1) boolean

2) double

3) int

4) char

Think about equality checks

6 / 15

Which operator is used to compare two values in Java?

1) equals

2) =

3) <>

4) ==

Think about instantiation

7 / 15

Which keyword is used to create an object in Java?

1) create

2) static

3) new

4) object

Think about reserved words in Java

8 / 15

Which of the following is not a Java keyword?

1) static

2) include

3) volatile

4) extends

Think about extending functionality

9 / 15

Which keyword is used to inherit a class in Java?

1) extends

2) inherits

3) abstract

4) implements

One option is just a regular word

10 / 15

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

1) volatile

2) goto

3) const

4) static

Think about threading basics

11 / 15

Which method is used to start a thread execution?

1) init()

2) execute()

3) start()

4) run()

Think about arithmetic errors

12 / 15

Which exception is thrown when dividing by zero?

1) ClassCastException

2) NullPointerException

3) IOException

4) ArithmeticException

Think about the starting point

13 / 15

Which method is the entry point of a Java program?

1) constructor()

2) init()

3) main()

4) start()

Think about fixed sizes in Java

14 / 15

What is the size of an int data type in Java?

1) 2 bytes

2) 16 bytes

3) 4 bytes

4) 8 bytes

Think about bounds checking

15 / 15

Which exception is thrown when an array is accessed with an illegal index?

1) ClassCastException

2) ArrayIndexOutOfBoundsException

3) NullPointerException

4) ArithmeticException

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Java Quiz (Basic)

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