What are the four versions of java?
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In multi-threading how can we ensure that a resource isn't used by multiple threads simultaneously?
What java is used for?
Should database connections be singleton?
what is finalmethod & final variable with example?
what is comparable and comparator interface?
In Java why we write public static void main(String args[]) why not main()?
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What is the difference between Checked and Unchecked exception? Give some examples
What does i ++ mean in Java?
Why null value is used in string?
What is the difference between break and continue statements?
Can a class extend 2 classes in java?
How do I convert a numeric ip address like 192.18.97.39 into a hostname like java.sun.com?