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 extending functionality

1 / 15

Which keyword is used to inherit a class in Java?

1) implements

2) inherits

3) extends

4) super

Think about reserved words in Java

2 / 15

Which of the following is not a Java keyword?

1) volatile

2) extends

3) include

4) static

Think about floating-point numbers

3 / 15

Which data type is used for decimal values in Java?

1) char

2) boolean

3) double

4) int

Think about commonly used classes

4 / 15

Which package is imported by default in every Java program?

1) java.util

2) java.lang

3) java.io

4) java.net

Think about making a class unextendable

5 / 15

Which keyword is used to prevent inheritance in Java?

1) private

2) static

3) final

4) const

Think about measuring size

6 / 15

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

1) size()

2) measure()

3) count()

4) length()

Think about fixed sizes in Java

7 / 15

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

1) 8 bytes

2) 4 bytes

3) 16 bytes

4) 2 bytes

Think about equality checks

8 / 15

Which method is used to compare two strings in Java?

1) ==

2) compareTo()

3) equalsIgnoreCase()

4) equals()

Think about post-check loops

9 / 15

Which loop is guaranteed to execute at least once?

1) while

2) for

3) do-while

4) foreach

Think about bounds checking

10 / 15

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

1) ArithmeticException

2) ClassCastException

3) NullPointerException

4) ArrayIndexOutOfBoundsException

Think about implementing functionality

11 / 15

Which keyword is used to inherit interfaces in Java?

1) implements

2) inherits

3) extends

4) abstract

Think about collections and arrays

12 / 15

Which loop is known as an enhanced for loop?

1) do-while

2) for

3) while

4) for-each

Think about equality checks

13 / 15

Which operator is used to compare two values in Java?

1) <>

2) ==

3) equals

4) =

Think about arithmetic errors

14 / 15

Which exception is thrown when dividing by zero?

1) NullPointerException

2) IOException

3) ArithmeticException

4) ClassCastException

Think about how to access instance variables

15 / 15

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

1) object

2) super

3) this

4) self

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Java Quiz (Basic)

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