How to optimize the javac output?
In which language JVM (Java Virtual Machine) is implemented
Marker interface means , interface which has no methods.Then what is the necessity of its usage.I read "it tells the compiler that it should be treated differently ". "It is used to store state of an object". But still am not clear.Please explain clearly.
How we create object in copy constructor?
Can an interface have a class?
What do you mean by data type?
What is array list in java?
Why is it important to initialize a variable?
What is difference between add() and addelement() in vector?
explain the concept of inheritance with an example?
What is a boolean output?
What are the 4 types of research methods?
What is api data?