what is class/object diagram

3 Answers   Zycus Infotech,

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How to implement or use the singleton class in java?

3 Answers  

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What is need of DAO? Write one simple DAO example?

2 Answers   IBM,

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What is a constructor?

4 Answers  

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Should we create system software ( e.g operating system ) in java ?

0 Answers  

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What are the interfaces in java collections? : java collections

0 Answers  

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How to call the m1() method of Base class in below snippet ? class Base { public void m1() { System.out.println("Base m1 "); } public void m2() { System.out.println("Base m1 "); } } ====================== class Derived extends Base { public void m1() { System.out.println("Derived m1"); } public void m3() { System.out.println("Derived m3"); } public static void main(String[] args) { Base ob=new Derived(); ob.m1(); //System.out.println("Hello World!"+ob.m1()); } }

6 Answers   Cap Gemini, TCS,

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Write a interface "CarOperations" with the following methods void turnOnEngin() void turnOffEngin() void turnOnLigths() void turnOffLights() void turnLeft() void turnRight() void accelerate() void deaccelerate() void putBreaks() void releaseBreaks()

1 Answers  

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lll

1 Answers  

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What is iterator in the java collections framework? : java collections

0 Answers  

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What are the queues in the java collection framework? : java collections

0 Answers  

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who should use JNDI?

1 Answers  

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