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|Java - Interview Questions and Answers|
|Ans. Float can represent up to 7 digits accurately after decimal point, where as double can represent up to 15 digits accurately after decimal point.|
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|Difference between == and .equals() ?|
| 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 is the difference between declaration, instantiation and initialization ?|
|What is the difference between Encapsulation and Abstraction?|
|What is the difference between final, finally and finalize() ?|
|What is the difference between ArrayList and LinkedList ?|
|If you are given a choice to use either ArrayList and LinkedList, Which one would you use and Why ?|
|Difference between first level and second level cache in hibernate ?|
|Difference between TreeMap and HashMap ?|