Explain the difference between abstract classes and interfaces in java?
Which programming language is most secure?
What is thread safe java?
What do you mean by formatting?
What do you mean by an interface in java?
Write a program in java to calculate the difference between the sum of the odd level and even level nodes of a binary tree.
State the difference between creating string as new () and literal.
Where is const variable stored?
Explain about main() method in java ?
An inner class can actually be a subclass of the outer class? a. true b. false
why to use transient variables when static variables can be used for Serialization
What is the applet security manager, and what does it provide?
Can a vector contain heterogenous objects?