Why do we need hashmap in java?
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When can we say that threads are not lightweight process in java?
What is final method in java?
could you run the java program without main method?
Can static methods be overridden?
what difference between throw and throws in exception handling.
Why does abstract class have constructor?
What is the difference between length and length() method in java?
Is 0 a real number?
What are the main features of java?
Write a java program for binary search?
How Marker Interfaces are instruct to complete the desired need ?
What is the difference between the jdk 1.02 event model and the event-delegation model introduced with jdk 1.1?