What is the meaning of I ++ in java?
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What is difference between class and object in java?
What is hashtable and explain features of hashtable?
Why javac is not recognized?
what is main purpose of abstract class?
What is reverse function?
Why do we need public static void main(String args[]) method in Java...?
What is the basic of java?
Why null interfaces are used in Java?
Which object oriented concept is achieved by using overloading and overriding?
What happens if a try-catch-finally statement does not have a catch clause to handle an exception that is thrown within the body of the try statement?
Write a regular expression to validate a password. A password must start with an alphabet and followed by alphanumeric characters; its length must be in between 8 to 20.
What primitive Java types? Howmany are they and what are their names?