How do you decide when to use arraylist and linkedlist?
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Explain what pure virtual function is?
What is a constructor, constructor overloading in java?
string is immutable? right every one knows that, my question is it advantage or disadvantage making string immutable?
what is difference between Exception and Error?
Define class?
Why are strings immutable in Java?
What is a methodologist?
Which package is always imported by default?
What is numeric function?
What is the difference between actual and formal parameters?
diffrence b\w println() and printf()
How are observer and observable used in java programming?