What is a default constructor and also define copy contrucyor?

0 Answers   Global Logic,

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I Have a class abstract with one abstract method, so that method should override in the subclass, but i dont want to override, if i am not override what will happen? If compilation will occur then i dont want to give compilation error, then what we need to do??? See the sample program. public abstract class AbstractExample { public abstract void sampleMethod(); } public class AbstractExampleImple extends AbstractExample { }

2 Answers   Mphasis,

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briefley expalin about the packages

3 Answers  

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Why method overloading and method overriding required in java?

1 Answers   Ericsson, Wipro,

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What are triggers in DB? Explain their types. How do they work?

0 Answers   Amdocs,

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Explain the role played by Java Virtual Machine in Java Programming?

1 Answers  

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What are the difference between string, string builder, and string buffer in java?

0 Answers  

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please tell me what is wrapper class in java with example ?

6 Answers   HP,

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how you will prevent inheritance is there any other way other than inheritance?

4 Answers   Wipro,

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Can list contain null in java?

0 Answers  

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Why singleton pattern is better than creating singleton class with static instance?

0 Answers  

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What is the final keyword denotes?

0 Answers  

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