Why we override equals() method?

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Is java se open source?

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How TreeMap sorts the objects inside it?? suppose if have include one employee object and one car object. On what basis it will sort?

5 Answers  

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Differentiate between class and structure.

0 Answers   Amdocs, Motorola,

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4.1 Supply contracts (in the form of comments specifying pre- and post conditions) for the enqueue() method of the LinkedQueue class given in the Appendix. (2) 4.2 Let Thing be a class which is capable of cloning objects, and consider the code fragment: Thing thing1 = new Thing(); //(1) Thing thing2 = thing1; //(2) Thing thing3 = (Thing) thing1.clone(); //(3) Explain how the objects thing2 and thing3 differ from each other after execution of the statements. (

0 Answers  

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This abstract class is correct ? abstract class A { public abstract void Disp(); public abstract void B() { } public absract virtual C() { } }

0 Answers   HCL,

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How multipleInheritance is possible in java?

18 Answers   Satyam,

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How to sort a collection of custom Objects in Java?

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how to one war file class to another war file class?

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What is local class in java?

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What is anti pattern in cyber security?

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Why does java have different data types for integers and floating-point values?

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