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hasgmap hs=new hashmap();
vector v =new vector (hs);
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String class is defined under which package in java?
when to use abstract class and when to use interface?
What do you understand by the bean persistent property?
Differentiate between a class and an object.
What is the synonym of framework?
What is externalizable?
If there is no implementation of MARKER INTERFACE in java. Then how compiler come to know about specification.
Name the package that most of the AWT events that supports event-delegation model are defined?
Can you run java program without main method?
What is compiler and what its output.
How many Java environments are there?
How many bits is a float?