What is a copy constructor in java?
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Why do we need to override equals() and hascode() method of object class?
what is Portal(web based online portal)?
What do you mean by scope of variable?
Why stringbuilder is not thread safe in java?
How many bits is a double?
Why do we need wrapper class?
Is double bigger than float?
Why java does not support pointers?
What is the difference between yielding and sleeping?
There can be a abstract class without abstract methods, but what is the need to declare a class abstract if it doesn't contain abstract methods?
What do you understand by the term singleton?
Difference between operator overloading and function overloading
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