What is the difference between && and & in java?
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How to remove the trailing spaces from a string?
What is linked hashset and its features?
What are the different ways of implementing thread? Which one is more advantageous?
What is jar?
How to find the size of an array a)array.length() b)array.length c)array.size() d)array.size
What is the use of object and class classes?
What problems will occur when you don?t use layout managers?
what is mean by thread lock?
where singleton classes are used in j2ee web application.can we use it for connection pooling.
What is hash code collision?
What is a parameter in simple terms?
What is the final blank variable?