Is integer passed by reference in java?
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What are classloaders?
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?
What are the java ide's? Explain
Why is java so popular?
How are variables stored?
How many bits is a word?
Can you run java program without main method?
What is static and final keyword in java?
Should a main method be compulsorily declared in all java classes?
Difference between method overloading and overriding.
What is compareto?
What do you mean by mnemonics?