Is main a keyword in java?
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explain copyonwritearraylist and when do we use copyonwritearraylist?
what do you mean by java annotations?
What will happen if static modifier is removed from the signature of the main method?
What are the methods available in a class?
Can we define constructor in inner class?
When a lot of changes are required in data, which one should be a preference to be used? String or stringbuffer?
What is HashTable?
What is final, finally, finalize?
How to sort numbers in java without array?
what is the main class of all the classes
What is difference between an object and a class?
Explain scope or life time of local variables in java?