What is class forname used for?

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Is string passed by reference in java?

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Is main an identifier?

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Are arrays dynamic in java?

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What are operators and its types?

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if num=687; U have to get num=6+8+7;

4 Answers   CMC,

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1.IN CASE OF DYNAMIC METHOD DISPATCH WHY WE USE REFERENCE VARIABLE,WE CAN USE THE DIFFERENT DEFINED OBJECT DIRECTLY TO ACCESS THE DATA MEMBER AND MEMBER FUNCTION OF THAT RESPECTIVE CLASS?WHAT IS THE MAIN FUNCTION OF "REFERENCE VARIABLE" HERE?

2 Answers   TCS,

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What do you mean by default constructor in java?

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Difference between concurrent hashmap and hashtable and collections

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Does java isempty check for null?

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Does java set allow duplicates?

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What are advantages and disadvantages of OOPs?

0 Answers   Amdocs,

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