1. What is OOP .
2. difference between String and String buffer , String Builder .
3. What is multiple inheritance.
4. write a program to sort the array .
5. write a program to find the factorial in recursive .
6. difference between primary key and unique key .
7. Difference between delete and truncate query .

Question

1. What is OOP .
2. difference between String and String buffer , String Builder . 
3. What is multiple inheritance. 
4. write a program to sort the array . 
5. write a program to find the factorial in recursive .
6. difference between primary key and unique key . 
7. Difference between delete and truncate query .

Hansen Technologies

Hansen Technologies interview question

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