Tell me about different OOPS concepts.
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Why do we need main method to execute a java program?
Can we rethrow the same exception from catch handler?
What is the default size of arraylist in java?
What are different types of encoding?
What is run-time class and system class? what is their purpose?
Do you need to import math in java?
What is listnode in java?
what is synchronization? : Java thread
What are the main features of java?
What is externalizable interface?
What is the base class for error and exception?
What is flush () in java?