What are the uses of java?

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Hi Friends, can u give me Real Time example for interface and abstract class.(With Banking Example)

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How many days will it take to learn java?

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Is age discrete or continuous?

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what are the rules to use try catch finally?

1 Answers   Satyam, UJ,

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10. class Nav{ 11. public enum Direction { NORTH, SOUTH, EAST, WEST } 12. } 13. public class Sprite{ 14. // insert code here 15. } Which code, inserted at line 14, allows the Sprite class to compile? a)Direction d = NORTH; b)Nav.Direction d = NORTH; c)Direction d = Direction.NORTH; d)Nav.Direction d = Nav.Direction.NORTH;

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Is this valid in java ? Can we instantiate interface in java?

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What is protected and friendly?

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What is multiple inheritance & can we implement it in java?

6 Answers   Satyam,

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What is string value?

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Say you want to store the information about a number of pets in an array. Typical information that you could store for each pet (where relevant) would be • Breed of animal • Animal's name • Its birth date • Its sex • Whether it has been sterilised or not • When it is due for its next inoculation • When it last had its wings clipped For each type of pet (eg. dog, cat or bird) you would typically define a class to hold the relevant data. Note: You do not need to implement these classes. Just answer the following questions. 3.1.1 What would be the advantage of creating a superclass (eg. Pet) and declaring an array of Pet objects over simply using an array of Objects, storing each of the instances of the different pet classes (eg. Dog, Cat or Bird) in it? 3.1.2 Would you define Pet as a class or as an interface? Why? (2) (2)

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Brief the life cycle of an applet.

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