4. Suppose you have the following code.You have to implement two constructors, one of which takes in the values of x, yand z, as parameters. Another does not take any parameter, and initializes allfields to 0. You also have to implement a method named calculateDistancewhich can either take in (as parameter) a Vector object, or can take in values ofX, y. z as parameters, and returns the distance between them.Formula to calculate distance. V(x1Use Math.sqrt() to calculate square rootx2) + (yly2) + (z1 -2)Example: V(x1x2)= Math.sqrt((x1x2) (x1x2))class Vector(private intprivate int y;private intX;// Appropriate getters, and setters.

There are total 4 methods to be implemented out of which one is default constructor, one is…

Answered: Suppose you have the following code.…

Computer Networking: A Top-Down Approach (7th Edition)

7th Edition

ISBN:9780133594140

Author:James Kurose, Keith Ross

Publisher:James Kurose, Keith Ross

Chapter1: Computer Networks And The Internet

Section: Chapter Questions

Problem R1RQ: What is the difference between a host and an end system? List several different types of end...

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I have a Programming Question, The following is a class definition for a simple Ebook. So i need to write a second constructor that takes a String array of pages as input and sets the String array instance variable equal to the input. Continue to default the current page number to zero. Part 2: Write a getter and a setter method for the page number variable. The setter should check to make sure that the input is a valid page number and only update the variable if the new value is valid. Part 3: Write a getCurrentPage method that returns the String of the current page indexed by current_page. Here below are the two instance variables and one parameterless constructor that were provided public class Ebook{ private String[] pages; private int current_page; //constructor public Ebook() { this.pages = {"See Spot.", "See Spot run.", "Run, Spot, run."}; this.current_page = 0; }}

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