Differentiate between a class and an object.
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can u give one sinario when you use Abstract Class and When you use Interface.
Can a class be subclass of itself?
Which container method is used to cause a container to be laid out and redisplayed in java programming?
What is a buffer in java?
Why char array is preferred over string for storing password?
Is empty set an element of empty set?
When do we use hashset over treeset?
What is the public field modifier?
What are the default and parameterized constructors?
What is the destroy method?
To set the position and size of a component, which methods are used?
how to pass the parameters to applets?