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Here are some questions and answers about the Java programming language.
Practice these questions and get feedbacks! It will help you improve your answer.
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1. What is the purpose of using 'assert' statements in Java?
2. What is the difference between '=='' and 'equals()' when comparing objects in Java?
3. What is the purpose of using the 'switch' statement in Java?
4. What is the purpose of using 'static' methods and variables in Java?
5. What is the purpose of using 'break' and 'continue' statements in loops in Java?
6. What is the difference between a 'try-catch' block and a 'try-catch-finally' block in Java?
7. What is the difference between a class and an interface in Java?
8. What is the difference between a 'for' loop, a 'while' loop, and a 'do-while' loop in Java?
9. What is the difference between a 'Set' and a 'List' in Java?
10. What is the purpose of using 'hashCode()' and 'equals()' when working with collections in Java?
11. What is the purpose of using 'Collections' in Java?
12. What is the purpose of using generics in Java?
13. What is the difference between a 'while' loop and a 'do-while' loop in Java?
14. What is the difference between 'public', 'protected', and 'private' access modifiers in Java?
15. What is the purpose of using the 'final' keyword in Java?
16. What is the difference between '==' and 'equals()' in Java?
17. What is the purpose of using exceptions in Java?
18. What is the difference between 'throw' and 'throws' in Java?