Explain the importance of throwable class and its methods?
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When do we use synchronized blocks and advantages of using synchronized blocks?
Which package has light weight components?
I have a class which is abstract which contains only the abstract methods. This is similar to an interface. Then, if i have given a choice to choose one of them. Which one i have to choose and why?
What is jit compiler in java?
Is array passed by reference in java?
What is a short in java?
What are the types of arrays in java?
Explain about wait() method?
How will you print number in reverse (descending) order in BST.
What are meta-annotations?
7) Suppose there is Student class like class student { int age; string name; } We want to store these objects in a HashMap. Do we need to override any methods in Student class? If any which ones and why? what if i just override equals or just hashcode? what will be the results in both the cases?
Name few java.lang classes introduced with java 8 ?