How many ways can you break a singleton class in java?
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Java is based on pass by reference or pass by value ..
What is method in java ?
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 about jre and jvm
What is collection class in java? List down its methods and interfaces.
What is the argument type of main() method?
What does compareto () do in java?
What does s mean in regex?
What is the difference between compile-time polymorphism and runtime polymorphism?
Which class contains a method: cloneable or object?
There is a Banking application. It has 2 types of account, Savings and Current. Write a method calculateInterest by passing an ArrayList of these account objects and calculate Interest accordingly. Write code for this situation
How many times garbage collector will invoke an object?s finalize() method?