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 instantiation

1 / 15

Which keyword is used to create an object in Java?

1) object

2) static

3) new

4) create

Think about commonly used classes

2 / 15

Which package is imported by default in every Java program?

1) java.io

2) java.net

3) java.lang

4) java.util

Think about post-check loops

3 / 15

Which loop is guaranteed to execute at least once?

1) foreach

2) while

3) for

4) do-while

Think about order of operations

4 / 15

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

1) 1020Java

2) Java1020

3) 30Java

4) Java30

Think about initialization

5 / 15

Which method is called automatically when an object is created?

1) static

2) constructor

3) final

4) main()

Think about the number of bits

6 / 15

What is the size of an int in Java?

1) 16 bits

2) 8 bits

3) 64 bits

4) 32 bits

Think about combining strings

7 / 15

Which operator is used for concatenating strings in Java?

1) +

2) &

3) *

4) %

Think about floating-point numbers

8 / 15

Which data type is used for decimal values in Java?

1) double

2) boolean

3) char

4) int

Think about arithmetic errors

9 / 15

Which exception is thrown when dividing by zero?

1) NullPointerException

2) IOException

3) ArithmeticException

4) ClassCastException

Think about the most open access level

10 / 15

Which access modifier makes a member visible to all classes?

1) public

2) protected

3) default

4) private

Think about reserved words in Java

11 / 15

Which of the following is not a Java keyword?

1) include

2) extends

3) volatile

4) static

Think about initialization defaults

12 / 15

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

1) true

2) false

3) 0

4) null

Think about measuring size

13 / 15

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

1) size()

2) measure()

3) length()

4) count()

Think about immutability

14 / 15

Which keyword is used to declare a constant in Java?

1) final

2) static

3) const

4) finalize

Think about extending functionality

15 / 15

Which keyword is used to inherit a class in Java?

1) extends

2) implements

3) super

4) inherits

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Java Quiz (Basic)

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