What is the difference between a vector & an array list?
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what is difference between interface and abstract class..?
What are the approaches that you will follow for making a program very efficient?
what release of java technology are currently available what do they contain?
why we use merge option in hybernate pls give a ex snippet
What are inbuilt functions?
What exactly is java?
What is the minimum and maximum length of an identifier?
What is the program compilation process?
Should database connections be singleton?
Give few difference between constructor and method?
How OOPS concept is achieved in Java?
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What is equals method in java?