What is purpose of keyword void?
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What is a Java package and how is it used?
Explain the scope of a variable.
Explain the usage of this with constructors?
What is compareto?
What does the append?
What is jdbc api?
What is the purpose of garbage collection in java? When is it used?
What is the difference between Java1.4 and Java1.5
How do you compare characters in java?
What happens when you add a double value to a string?
What an i/o filter?
Why null value is used in string?