Can we extend singleton class in java?
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What is a wrapper method?
Can a class with private constructor be extended?
Explain reverse a linked list iterative solution in java?
Can we inherit the constructor in a Class?please give one example.
How is abstraction implemented in java ?
What is string in java is it a data type?
In how many ways we can create threads in java?
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Define an enumeration?
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what is difference between abstraction and interface?