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|Like Discuss Correct / Improve  access specifier   oops   java   class Asked in 2 Companies|
|Difference between == and .equals() ?|
|Why is String immutable in Java ?|
| Explain the scenerios to choose between String , StringBuilder and StringBuffer ?|
What is the difference between String , StringBuilder and StringBuffer ?
|Why Char array is preferred over String for storing password?|
|What are different ways to create String Object? Explain.|
|Why do we need Inner classes ? Cant we just work with outer classes wherever we implement Inner classes ?|
|What are different ways of object creation in Java ?|
|What is a String Pool ?|
|Differences between abstract class and interface ?|
|What are different types of classes ?|