What is multithreading and its advantages?
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What is the difference between exception and error in java?
What is hashmap in java?
How many types of literals are there in JAVA?
Explain what access modifiers can be used for methods?
What happens if main method is not static?
What is boolean keyword in java?
What is equlas() and hashcode() contract in java? Where does it used?
What is nested interface?
Explain the scope of a variable.
How to sort numbers in java without array?
What is boolean data type in java?
What is constructor chaining and how is it achieved in java?