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 post-check loops

1 / 15

Which loop is guaranteed to execute at least once?

1) for

2) foreach

3) while

4) do-while

Think about order of operations

2 / 15

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

1) Java30

2) 30Java

3) 1020Java

4) Java1020

Think about how to access instance variables

3 / 15

Which keyword is used to refer to the current object in Java?

1) this

2) self

3) object

4) super

Think about measuring size

4 / 15

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

1) length()

2) measure()

3) count()

4) size()

Think about arithmetic errors

5 / 15

Which exception is thrown when dividing by zero?

1) ArithmeticException

2) IOException

3) ClassCastException

4) NullPointerException

Think about the starting point

6 / 15

Which method is the entry point of a Java program?

1) main()

2) init()

3) constructor()

4) start()

Think about initialization

7 / 15

Which method is called automatically when an object is created?

1) main()

2) constructor

3) final

4) static

Think about instantiation

8 / 15

Which keyword is used to create an object in Java?

1) object

2) static

3) new

4) create

Think about implementing functionality

9 / 15

Which keyword is used to inherit interfaces in Java?

1) abstract

2) implements

3) inherits

4) extends

Think about the number of bits

10 / 15

What is the size of an int in Java?

1) 64 bits

2) 16 bits

3) 8 bits

4) 32 bits

Think about collections and arrays

11 / 15

Which loop is known as an enhanced for loop?

1) for

2) do-while

3) for-each

4) while

Think about initialization defaults

12 / 15

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

1) false

2) true

3) null

4) 0

Think about parsing values

13 / 15

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

1) valueOf()

2) parse()

3) Integer.parseInt()

4) toInt()

Think about equality checks

14 / 15

Which method is used to compare two strings in Java?

1) compareTo()

2) ==

3) equals()

4) equalsIgnoreCase()

Think about equality checks

15 / 15

Which operator is used to compare two values in Java?

1) ==

2) <>

3) =

4) equals

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Java Quiz (Basic)

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