What is a hashmap used for?
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Inorder to specify a container?s layout, which method is used?
What is the purpose of using java.lang.class class?
What is adapter in java?
How many types of voids are there?
How many bytes is a char in java?
Can you explain the final method modifier?
What is default specifier ??? Use of default specifier ???
how cani read a command line argument?(usingfile object).
Is vector thread safe in java?
Is null an object in java?
what is Assertion?
Why does java does not support multiple inheritance? Explain