Can we extend singleton class?
What does this mean java?
Explain Basics of OOP Language in java
Why packages are used?
What is a Java switch statement, and how can it be used?
Why do we need autoboxing in java?
how many design pattern r there? and wht design pattern u use and why ?
What is the difference between interpreter and compiling ?
What are abstract methods in java?
Which eclipse is best for java?
Define max and min heap, also the search time of heap.
What initialize variables?
What is the difference between this() and super() in java?