Is null a string?
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what r advatages of websphere? & how to deploy?
How does java enable high performance?
Is java pure object oriented or not? if yes, give the valid reason.
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How do you use substring in java?
Why is singleton not thread safe?
What is difference between float and double?
What is meant by data hiding/encapsulation?
Why destructor is not used in java?
Can a class have multiple constructors?
When should we create our own custom exception classes?
What are java methods?
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