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|Interview Questions and Answers|
|Ans. ORM is the mapping technique, which maps object with relational data model. As we know that in java we need objects we can not user data in relational(in table form). So ORM is set of guideline which allows us to map relational data model in object form.|
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|Difference between first level and second level cache in hibernate ?|
|How does making string as immutable helps with securing information ? How does String Pool pose a security threat ?|
|What things you would care about to improve the performance of Application if its identified that its DB communication that needs to be improved ?|
| Collections.sort can only be performed on ..|
d. Any Collection implementation
| Which of the following Java feature promotes access protection or Hiding ?|
|Difference between AWS Cloud Formation and AWS AMI ?|
|How to configure second level cache in Hibernate ?|
|What is cloud computing ?|
|What is the cost of using Cloud Formation ?|
|Why is cloud infrastructure so powerful ?|