Explain creating threads by extending thread class ?

0 Answers  

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how tha garbage collector know that the object will be deleted? on which algorithm the garbage collector works? what is the working principle of garbage collector? How manay types of garbage collectors r there?

1 Answers   HP, SparkTG,

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Difference between static binding and dynamic binding?

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What does += mean in java?

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How is treeset implemented in java?

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Can list have duplicates in java?

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how u do unit testing?

2 Answers   iFlex,

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What releases of Java technology are currently available? What do they contain?

1 Answers  

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What state is a thread in when it is executing?

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Why should we create an object? what is a need of it? Apart from access members of a class i want what is a need of object what does it contain?? In normal class to access any member of thaht class we create object where as for static class we access its members using class name. what is a difference between them... thanks in advance.

1 Answers  

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What is the difference between Java Bean and Java Class.?

2 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

0 Answers   Google,

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