What is a hashmap used for?
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What are different types of access modifiers?
What is final class?
Which collection allows duplicate values in java?
why java does not have operator overloading?
can we write a program with out a class in core java?
Explain the usage of this with constructors?
What does index mean in java?
How many threads can I run java?
How do you declare an infinite loop?
Can an integer be a string?
What about features of local inner class?
Where is const variable stored?