Answer / nashiinformaticssolutions

The Java Persistence API enables us to create the persistence layer for desktop and web applications. Java Persistence deals in the following:
1. Java Persistence API
2. Query Language
3. Java Persistence Criteria API
4. Object Mapping Metadata

What is meant by call by reference?

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What is the disadvantage of synchronization?

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Catch(Exception e){ } in that what is Exception and purpose of that in that place exactly?

3 Answers  

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Can memory leak in java?

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How java enabled high performance?

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Is array synchronized in java?

0 Answers  

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What is a line break?

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What are the important features of Java 8 release?

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What is the difference between heap and stack memory?

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Which characters are allowed to use as the second character of an identifier, and which characters are not allowed?

2 Answers  

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Explain the concept of hashtables?

0 Answers  

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class A { public void disp(int a,int b) { System.out.println("hai"); } } class B { public void disp(int a,int b,int c) { System.out.println("hai"); } } above program is overloading or overriding?

9 Answers   Infosys, Wipro,

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