Can you run java program without main method?
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What is the difference between array list and vector in java?
Is this valid in java ? Can we instantiate interface in java?
Why do we need main method to execute a java program?
which methods consisting of the serilizable interface?
What is the scope or life time of instance variables?
Explain about anonymous inner classes in java?
Explain tree set and its features?
What is user defined exception?
I have an HashMap object, which has with key and value pair. It has 10 keys and values in that object. Now the question is I want insert new key and value in middle or any where in that list but not at the end or at the top. Is it possible or not. If yes how can we achieve this one?
What are the 4 versions of java?
Is string an object?
How many unicode characters are there?