what is singleton class? where it mainly used in the projects?

5 Answers   Satyam, Wipro,

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whats is mean by class.forName() whats the return type of class

6 Answers   SolutionNET,

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In HashTable I am storing null value..then what is the error it will show

2 Answers   GM General Motors,

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What is permgen or permanent generation?

0 Answers  

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What are different types of layout managers in java.awt package?

3 Answers   Android, CA,

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what is difference between object state and behaviour?

3 Answers  

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Do I need to import javlang package any time? Why ?

0 Answers  

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how to search the pertical objects in a Collections

3 Answers   iGate,

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Which containers use a border layout as their default layout?

0 Answers  

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What is the O/P of the below Code Snippet ? And how does it imply the concept of call-by-value/call-by-reference. (Note : Pls ignore syntx errors) public class One { sop ("Into One--"); } public class Two extends One{ sop ("Into Two--"); } public class Home { One a; Two t; public static void main(argv[]) { sop ("In Home--"); sop(One.a); sop(Two.a); sop(One.t); sop(Two.t); } }

2 Answers   Wipro,

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Explain the different types of memory used by jvm?

0 Answers  

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Name the method to find, if a thread is active or not?

2 Answers  

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