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| Core Java - Interview Questions and Answers for 'Exceptions handling' - 2 question(s) found - Order By Rating | ||||
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| Ans. If we do not mention, Cloneable Interface to the Class which we want to Clone then we get this exception, only if we try to clone an object Like: public class TestClone{ @Override protected Object clone() throws CloneNotSupportedException { return super.clone(); } } In Main, You try to do: TestClone clone = new TestClone(); TestClone clone2 = (TestClone) clone.clone(); You will get CloneNotSupportedException. Just add -> public class TestClone implements Cloneable { and things are fixed. | ||||
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 Discuss Correct / Improve  exceptions handling cloning | ||||
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 What is the purpose of re throwing the exception when we can provide the handling at the first catch itself ? | ||||
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| Ans. Sometimes the calls move across layers of classes and functions and hence each layer needs to perform some function like cleaning if something goes wrong deep inside. | ||||
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| Discuss Correct / Improve exceptions exceptions handling rethrowing exception | ||||
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