What is meant by main method?
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Is arraylist zero based?
what is the use of clone() in real time scenario?
Definition for connection pooling?
What are the main concepts of oops in java?
what is optional in java 8?
If an object is garbage collected, can it become reachable again?
How many types of operators are there?
why are there separate wait and sleep methods? : Java thread
What will happen when using pass by reference in java?
How to find the given number is a prime number or not by getting input from the user
What is the difference between keyword and identifier?
In what type of containers, Border layout is a default layout?