What are 3 data types?
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How to overcome the exception object reference not set to an instance of object?
How to access a method that it declared as protected?
Which class cannot be a subclass in java?
In treeset we add same object ...what will be the out put
What is the difference between inheritance and encapsulation?
How many JVMs can run on a single machine and what is the meaning of Just-In-Time (JIT) compiler?
Why all programming languages have main as a execution starting point?
How does a for loop work?
what is the difference between future and callable interface in java?
What is update method and when it is called?
How can you generate random numbers in java?
Write a method to check if input string is palindrome?