Can a string be null?
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write a program that list all permutations of ABCDEF in which A appears before B?
Is upper case in java?
How do you add an element to a hashset in java?
Explain about data types?
What do you mean by light weight and heavy weight components?
What is the need of "creating and throwing an UserdefinedException" when the "Exception" class is already available?
Difference between ‘is-a’ and ‘has-a’ relationship in java?
What is the relationship between clipping and repainting under awt?
What is string :: npos?
What do you understand by synchronization?
How many static init can you have?
This abstract class is correct ? abstract class A { public abstract void Disp(); public abstract void B() { } public absract virtual C() { } }