What is return data type?
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How many types of design patterns are there?
What is advantage of java?
Why do we need wrapper class?
What does %4d mean in java?
Which package is used for pattern matching with regular expressions?
Nullpointer exception is a very common exception. Why is it not made as a checked exception?
What is a Hash Table? What are the advantages of using a hash table?
Why method overloading and method overriding required in java?
What does a void function return?
What is formatted output?
What do you understand by private, protected and public?
Is java call by value?