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Java Quiz
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Quiz on Java Tutorial

by Quiz Orbit Team

Want to test your core Java skills? This Java Tutorial quiz covers basic to intermediate multiple-choice questions on Java syntax, OOPs, data types, control flow, and exception handling. It’s perfect for interview prep and strengthening your fundamentals.

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Question 1 of 15
1. Question
What is the size of an int variable in Java?
- 2 bytes
- 4 bytes
- 8 bytes
- Depends on the system architecture
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Question 2 of 15
2. Question
Which of the following is a valid declaration of a Java main method?
- public void main(String[] args)
- static public void main(String args[])
- public static int main(String[] args)
- private static void main(String[] args)
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Question 3 of 15
3. Question
What does the final keyword mean when applied to a variable?
- Variable can be reassigned
- Variable is global
- Variable is constant
- Variable is local
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Question 4 of 15
4. Question
Which keyword is used to inherit a class in Java?
- this
- super
- implements
- extends
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Question 5 of 15
5. Question
Which of the following is not a primitive data type in Java?
- boolean
- char
- String
- int
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Question 6 of 15
6. Question
Which of the following is used to create an object in Java?
- malloc()
- allocate()
- new
- alloc
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Question 7 of 15
7. Question
What is the default value of a boolean variable in Java?
- true
- false
- null
- 0
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Question 8 of 15
8. Question
Which operator is used to compare two values in Java?
- =
- ==
- ===
- !=
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Question 9 of 15
9. Question
Which exception is thrown when a program attempts to divide by zero?
- IllegalArgumentException
- ArithmeticException
- IOException
- NullPointerException
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Question 10 of 15
10. Question
Which of the following is not a feature of Java?
- Platform-independent
- Object-oriented
- Supports pointers
- Automatic garbage collection
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Question 11 of 15
11. Question
What is the output of System.out.println(10 + 20 + “Java”);?
- Java1020
- 10Java20
- 30Java
- Java30
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Question 12 of 15
12. Question
How many times will the loop run: for(int i=0; i<5; i++)?
- 4
- 5
- 6
- 0
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Question 13 of 15
13. Question
What is method overloading in Java?
- Using the same name for different methods with same parameters
- Using the same name with different parameter types
- Declaring a method inside another
- None of the above
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Question 14 of 15
14. Question
What is the purpose of the this keyword in Java?
- To refer to the base class
- To refer to the static method
- To refer to the current object
- To refer to the child class
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Question 15 of 15
15. Question
Which package contains Java’s built-in exception classes?
- java.lang
- java.util
- java.exception
- java.io
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Summary

This Java quiz helps learners assess their understanding of core concepts such as classes, objects, inheritance, control structures, exceptions, and data types. Ideal for interview prep, coding tests, and brushing up Java skills from beginner to intermediate level.

Tags: Java quiz java tutorial java tutorial quiz quiz on java tutorial quiz on tutorial of java

Quiz Orbit Team

At QuizOrbit, our team specializes in fun, informative quizzes across topics like general knowledge, technology, and entertainment. Boost your knowledge with our expert-designed quizzes.

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