How can you add and remove nodes in jtree?
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Can we override the private methods?
Is class is a data type?
I want to re-reach and use an object once it has been garbage collected. Define how it’s possible?
What advantage do java's layout managers provide over traditional windowing systems?
How do you know if a value is nan?
Why is singleton instance static?
explain different ways of using thread? : Java thread
Why do we need to override equals() and hascode() method of object class?
What are the names of Component subclasses that support painting?
Define Compiling?
Explain about data types?
What is bufferedreader in java?