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|Spring boot - Interview Questions and Answers for 'Citigroup' - 1 question(s) found - Order By Newest|
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|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 ?
|What are the difference between composition and inheritance in Java?|
|What do you mean by "Java is a statically typed language" ?|
|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 are points to consider in terms of access modifier when we are overriding any method?|
|What is the difference between declaration, instantiation and initialization ?|
|What are the common uses of "this" keyword in java ?|