What is the difference between an interface and an abstract class?
How to add menushortcut to menu item?
Can you call one constructor from another if a class has multiple constructors?
What is a singleton class? Give a practical example of its usage.
Can constructor be inherited?
Can a class declared as private be accessed outside it’s package?
What is the relationship between clipping and repainting under awt?
What is are packages?
I want to re-reach and use an object once it has been garbage collected. Define how it’s possible?
What is externalizable interface?
What is the difference between reader/writer and inputstream/output stream?
Define how can we find the actual size of an object on the heap?
Where and how can you use a private constructor?
What happens if an exception is not handled in a program?
What is the difference between the size and capacity of a vector?