What are preemptive scheduling and time slicing and what is the difference between them?

1 Answers  

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what is difference between checked exception & unchecked exception in java?

3 Answers   Ness Technologies,

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What is jboss?

0 Answers  

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Why does most servlets extend HttpServlet?

4 Answers   Accenture, Wipro,

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How has the sandbox changed with Java 2?

2 Answers  

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difference between Abstract and Interface?

2 Answers   HCL, Infotech,

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how do you Handle Front End Application data against DB with example?

0 Answers   Campus Interaction, HCL,

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What restrictions are placed on the values of each case of a switch statement?

0 Answers  

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What is the main functionality of RRL(Remote Reference Layer)?

3 Answers  

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Can we sent objects using Sockets?

0 Answers  

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Hi frnds ,iam new to java and j2ee ,my requirement is using java or any j2eetech how to lock an user when he enter wrong credentials(uname&password) more than 3 times.take the username and passowrd in a bean no need to conned Db kindly provide me sample application code or and ideas or links or tutorials plzzzzz urgent for me thanks in advance...

2 Answers   NSN,

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When a thread blocks on i/o?

0 Answers  

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