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|Interview Questions and Answers for 'Commsfm' - 1 question(s) found - Order By Newest|
|Ans. Layer 7 - Application|
Layer 6 - Presentation
Layer 5 - Session
Layer 4 - Transport
Layer 3 - Network
Layer 2 - Data Link
Layer 1 - Physical
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|Like Discuss Correct / Improve   Asked in 7 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 ?
|What are the difference between composition and inheritance in Java?|
|Does garbage collection guarantee that a program will not run out of memory?|
|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 ?|
|Why Char array is preferred over String for storing password?|
|What do you mean by "Java is a statically typed language" ?|
|What is the difference between Encapsulation and Abstraction?|