What is generics in java interview questions?
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What is vector capacity in java?
Should database connections be singleton?
What is the basically use of finally while we know it is always executed but why?
What is map and hashmap? also tell the difference.
Does set allows null in java?
What is the difference between an array and an array list?
What is scope & storage allocation of global and extern variables? Explain with an example
What is the difference between jdk and jre?
What is a method vs function?
Why chararray() is preferred over string to store the password?
Define jit compiler?
What is java util?