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Difference between throw and throws?
What are keywords in java?
How can a gui component handle its own events?
What is an immutable object?
Difference between ‘is-a’ and ‘has-a’ relationship in java?
How do you find the absolute value?
Why do we need hashmap in java?
Describe the Big-O Notation.
What is an example of a boolean?
Can we start a thread twice in java?
What is the size of an array?
What is the largest data type in java?
Write a program to print all permutations of string?
What is pojo class in java?
Explain the differences between abstraction and encapsulation?