What are the topics in core java?
No Answer is Posted For this Question
Be the First to Post Answer
Can we execute java program without main method?
How to instantiate static nested classes in java?
Can you call a method on a null object?
What is the role of garbage collector in java?
Define how can we find the actual size of an object on the heap?
What is a void return type?
What is data abstraction? Elaborate with example?
Differences between GridLayout and GridBagLayout?
What are the names of interfaces that doesn't consists of method/s ?
There are 2 methods in a class. Both have the same method signature except for return types. Is this overloading or overriding or what is it?
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?
What is the purpose of using break in each case of switch statement?