What does int argc char * argv [] mean?
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What does a method signature consist of?
Which command from the jdk compiles a java program?
What is a singleton class? Give a practical example of its usage.
What isan abstract class and when do you use it?
Why singleton pattern is better than creating singleton class with static instance?
Why does java not allow multiple public classes in a java file ?
What are inner classes or non static nested classes in java?
Should a main method be compulsorily declared in all java classes?
how you will prevent inheritance is there any other way other than inheritance?
What is the use of jtable?
What is internal variable?
In the HashMap, we know the values but we dont know the key, then how can we get the key from HashMap ?????