The static keyword in Java is used for memory management. It can be applied to variables, methods, blocks, and nested classes, allowing them to belong to the class rather than a specific instance. It is one of the most important keywords in Java for optimizing performance and accessing members without creating objects.
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Can a static method access instance variables directly?
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Question 3 of 15
3. Question
Which of the following can be static in Java?
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Question 4 of 15
4. Question
What is the default value of a static int variable?
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Question 5 of 15
5. Question
How many copies of a static variable exist per class?
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Question 6 of 15
6. Question
What is the output of the following code?
class Test { static int count = 0; Test() { count++; } }
What will Test.count be after creating 3 objects?
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Question 7 of 15
7. Question
Can we override static methods?
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Question 8 of 15
8. Question
Can a static method be abstract?
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Question 9 of 15
9. Question
Where is a static block executed?
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Question 10 of 15
10. Question
Which statement is true about static nested classes?
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Question 11 of 15
11. Question
What happens if you make the main method non-static?
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Question 12 of 15
12. Question
How do you call a static method?
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Question 13 of 15
13. Question
Can a static method be synchronized?
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Question 14 of 15
14. Question
Which keyword is not allowed with static?
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Question 15 of 15
15. Question
Can static methods be inherited?
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Summary
The static keyword in Java allows members to belong to the class rather than objects, improving memory efficiency and execution performance. It is commonly used in utility methods, constants, and shared resources, and is vital in designing reusable and optimized applications.
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