Is main a keyword in java?
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suppose in a class there is a code like this: { Set hs=new Hashset(); hs.add(new Emp("kathy",1000)); hs.add(new Emp("kathy",2000)); } how can u avoid the above code in your class as set won't allow duplicate objects?
Can java cast null?
What is javac used for?
What is encapsulation? Elaborate with example?
How to re-get an object that is collected by garbage collector?
Why are there no global variables in java?
What is the default size of set in java?
Why is java so popular?
What is a singleton class in Java? And How to implement a singleton class?
What language is pass by reference?
What is runtime locatable code?
Hi Friends, Can u give few interview questions which relates ArrayList and Hashmap. I mean how to link ArrayList and HashMap.I know this is not good way of asking questions like this , but i need