Can you pass by reference in java?
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What is the difference between == and === javascript?
How many types of design patterns are there?
Can we sort hashset in java?
What is a final class ?
What are design patterns and please explain?
Why ArrayList class is not a synchronized class and why it is not a thread safe class? explain
when to use ArrayList and when to use HashMap in webApplication.
What is audio clip interface? Name few methods of it ?
Does java isempty check for null?
What do you know about the garbage collector in java?
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Can we override constructor?