What is the need to implement Serializable interface (with no methods) for objects which are to be serialized ? We can write our own functionality which writes objects to streams then why we need to implement and tell JVM that which objects can be serialized.

6 Answers   iFlex, Sapient,

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What is the old name of java?

0 Answers  

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When abstract methods are used?

1 Answers  

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How are observer and observable used in java programming?

0 Answers  

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Which is a valid identifier?

0 Answers  

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Define a java class.

1 Answers  

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Difference between comparator and comparable in java?

0 Answers  

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I need some details about an employee. i have only the employee id in my presentation layer(JSP).I entered that ID and click "Show Details" Button. Question is how the JSP pass that id to Controller layer and DAO and what mechanism we are using to retrive data from DB and how the data passed to JSP as a Output. Please explain in detail.

1 Answers   TCS,

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Is 'null' a keyword?

8 Answers  

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What is boolean data type in java?

0 Answers  

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Which collection is sorted in java?

0 Answers  

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What is java algorithm?

0 Answers  

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