Why to use nested classes in java? (Or) what is the purpose of nested class in java?
How does hashset work in java?
What is the difference between private & public & friendly classes?
Detail discussions on JVM, memory management and garbage collector.
Can we declare a class as static?
What is string in java?
String class is defined under which package in java?
does core java and j2se both are same?
What are the 4 versions of java?
Can constructor be static or final?
Why string objects are immutable in java?
What do you understand by java virtual machine?
what is ejb? what is the importance of ejb?