Object Cloning in Java allows the creation of an exact copy of an existing object using the clone() method. It plays a crucial role in memory management and object duplication without invoking constructors.
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Which interface must a class implement to support cloning?
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Question 3 of 15
3. Question
Which method is used to clone an object in Java?
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Question 4 of 15
4. Question
What happens if clone() is called without implementing Cloneable?
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Question 5 of 15
5. Question
Which class in Java provides the clone() method?
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Question 6 of 15
6. Question
What is the return type of clone() method?
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Question 7 of 15
7. Question
What is required to override the clone() method?
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Question 8 of 15
8. Question
Which of the following statements is true about shallow cloning?
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Question 9 of 15
9. Question
What is the correct way to perform deep cloning in Java?
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Question 10 of 15
10. Question
What will be the result of calling super.clone() inside an overridden clone() method?
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Question 11 of 15
11. Question
What should be done in a class for successful cloning?
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Question 12 of 15
12. Question
Which of these is NOT copied during cloning?
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Question 13 of 15
13. Question
Which keyword must be used to handle CloneNotSupportedException?
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Question 14 of 15
14. Question
Is cloning faster than manual copying using constructors?
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Question 15 of 15
15. Question
Which of the following approaches avoids the use of Cloneable but still achieves deep copy?
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Summary
Object Cloning in Java is a technique used to create copies of objects using the clone() method, primarily for efficient object reuse. Understanding shallow vs deep copy, the Cloneable interface, and handling exceptions is key to mastering Java cloning.
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