Where will it be used?
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Which oo concept is achieved by using overloading and overriding?
When do we need to use internal iteration? When do we need to use external iteration?
What is java util hashmap?
Write java program to reverse string without using api?
Is singleton a bad practice?
Can you inherit from an abstract class java?
Can we overload the constructors?
What is the purpose of using javap?
What is the life-cycle of an object?
Does a function need a return?
What is composition in java?
Which class has no duplicate elements?