What is the use of log4j and how to make use of that in a application?

2 Answers  

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What is the difference between comparable and comparator in java.util pkg?

0 Answers  

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What is an algorithm in java collection framework? : 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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Is it possible to create Userdefined Unchecked Exception also?If Yes, give an example?

1 Answers   HCL,

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

2 Answers   IBM,

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How do I find jre path in windows?

0 Answers  

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What are the main classes of the list interfaces? : java collections

0 Answers  

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who will give req's to u?. how they send req's to u? . what design documents contains?. when bugs raised on other developer code how to report to them?.(throgh mail or ........). how to retrive 100 recods from dao layer to presentation layer.using which collection?. what is sequence diagram.?.

0 Answers   iGate,

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How many controlers are there in spring? Plz send me ans

1 Answers   HCL,

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what is jndi?

2 Answers  

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