1. Please explain the framework.
2. Will it work in case there are multiple threads which are interacting with same method .
3. Concept of Hashing and implementation of HashSet.
4. Difference between ArrayList and HashSet.
5. Difference between comparable and comparator , stringBuilder and stringbuffer .
6. A program on handling an array.
7. Manual questions in third rounds.

Question

1. Please explain the framework.
2. Will it work in case there are multiple threads which are interacting with same method . 
3. Concept of Hashing and implementation of  HashSet. 
4. Difference between ArrayList and HashSet.
5. Difference between comparable and comparator , stringBuilder and stringbuffer . 
6. A program on handling an array.
7. Manual questions in third rounds.

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