Answer / Deepak Kumar

The four cornerstones of Object-Oriented Programming (OOP) are Encapsulation, Inheritance, Polymorphism, and Abstraction.

Why Wait and notify are kept in Object class although they are used only with Thread Class

2 Answers   Global Logic, Saksoft,

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Difference between String and String Buffer?

3 Answers  

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My application URL : http://localhost:8080/Application/Login.jsp. When a user enter this url in IE then, how it get Login.JSP Page exactly? what are the processes will happen from when we submit the URL to get Login.jsp?

3 Answers   IBM, TCS,

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What is the difference between serializable and externalizable interface?

1 Answers  

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What are voids?

1 Answers  

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how a programmer confirms that the data submitted has been succesfully inserted into the database(either oracle or my sql).. How a programmer confirm if there is any problem with the program he wrote for insertion... ANS:--- >executeupdate method is having boolean return type, if anything goes wrong in data insertion or data updation, it would return false. otherwise, if it successfully inserts data into the database, it would return true NOW HOW TO I CHECK IN MY DURING EXECUTION WHETHER IT RETURNS TRUE OR FALSE... WELL IT WILL DISPLAY ANY MESSAGE OR NOT

1 Answers   Google,

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What is a pattern what is an anti pattern?

1 Answers  

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what is request dispatcher and how does it work?

2 Answers   CTS,

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What is null object in java?

1 Answers  

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Can a constructor be made final?

1 Answers  

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what is jms? features of jms

2 Answers   CTS,

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If an application has multiple classes in it, is it okay to have a main method in more than one class?

1 Answers  

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