What are aggregate functions explain with examples?

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What if constructor is protected in java?

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Can we override constructors in java?

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What is advantage of using threads?

2 Answers   BMC,

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What is a line break?

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class A{ some variables; public void a()throws Excepion1,Exception2{....} } class B extends A{ variables... public void a()throws E2,E3{.....} } Qns: here override of methods occurs or not,ore else wil give any compilation error or run properly..plz tell me briefly whts happening with the above codes....

4 Answers   Quinnox,

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Difference between overloading and Overriding. <Giving a confusing example to test the concept.> (also asked in PA Consultancy Group,iflex,Value chain,IBM,CTS,Accenture, Tarang>

12 Answers   Accenture, CTS, Extensio, IBM, iFlex, PA Consulting, Symphony, Tarang,

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why we need this (1.object,2.class,3.data hiding,4.encapsulation,5.abstraction,6. polymorphism,7.inheritance)

2 Answers  

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How do you decide when to use arraylist and linkedlist?

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Can you override static methods?

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What is append in java?

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What are the types of java languages?

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