How do weakhashmap works?

0 Answers  

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What is a null point?

0 Answers  

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Where is the singleton class used?

0 Answers   Cap Gemini,

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write a class to input 2 points by the user & check the line maked by the points is horizontal,vertical or rectangle?

1 Answers  

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In how many ways we can do synchronization in java?

0 Answers  

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What are the advantages of functions?

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"we cannot create an object of interface but we can create a variable of it".diacuss the statement with the help of an example.

2 Answers  

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7) Suppose there is Student class like class student { int age; string name; } We want to store these objects in a HashMap. Do we need to override any methods in Student class? If any which ones and why? what if i just override equals or just hashcode? what will be the results in both the cases?

4 Answers   CSC, Nagarro, RBS,

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What’s the difference between callable and runnable?

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What is a native method?

2 Answers  

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for(i=0;i<100;i++) { int i=method();//method returns no's from 1 to 10; /* insert some stmts which can give output like no.of times numbers(1-10) returned. (for example if it returns 2 then i want output how many times 2 returned) like that i want output for no's 1 - 10 how many times each no returned. */ }

3 Answers  

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What is java reflection?

0 Answers  

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