Difference between comparator and comparable in java?
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What is difference between “==” and equals()?
Class c implements interface I containing method m1 and m2 declarations. Class c has provided implementation for method m2. Can I create an object of class c?
What is multithreading in java?
Explain the difference between association, aggregation and inheritance relationships.
What is module in oop?
what is abstract method with example?
Which one will take more memory: an int or integer?
After compilation of java program we'll get .class code. If it's generated in OS Windows XP will it work on OS Linux? If yes why? If no why?
Explain class A{} class B{} class C{} all the three classes are saved in a single file name, what the name should i provide to the file ,in what file name should i run the program? Ple Explain
How does Vector implement synchronization?
What does snprintf return?
is java support call by reference and call by value, if supports please explain?