Program Explanation Program: File name: “Point.java” //Create the class Point with type parameter T public class Point<T extends Number> { //Declare the X Coordinate as variable xCo private T xCo; //Declare the Y Coordinate as variable yCo private T yCo; //Define the constructor public Point(T x, T y) { //Assign the value x to X coordinate xCo = x; //Assign the value y to Y coordinate yCo = y; } /*Define the method setx() to set the value for X Coordinate */ public void setx(T x) { xCo = x; } /*Define the method sety() to set the value for Y Coordinate */ public void sety(T y) { yCo = y; } /*Define the method getx() to return the value of X Coordinate*/ public T getx() { return xCo; } /*Define the method gety() to return the value of Y Coordinate */ public T gety() { return yCo; } } File name: “PointList.java” //import the required package import java.util.ArrayList; //Create the class PointList that extends the class Point public class PointList<T extends Point<?>> { //Create the object for ArrayList; ArrayList<T> obj; //Define the constructor public PointList() { //Allocate memory for arrayList using new operator obj=new ArrayList<>(); } //Define the method add() public void add(T value) { //Add the value to the ArrayList obj...

Starting Out with Java: From Control Structures through Data Structures (4th Edition) (What's New in Computer Science)

4th Edition

ISBN: 9780134787961

Author: Tony Gaddis, Godfrey Muganda

Publisher: PEARSON

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Concept of memory addresses in pointers

The concept of pointers in high-level languages was introduced in C programming. Pointers are simply the variables that are used to store memory addresses of another variable. These special variables are generally used in the languages such as C Programm…

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Chapter 17, Problem 3PC

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Chapter 17 Solutions

Starting Out with Java: From Control Structures through Data Structures (4th Edition) (What's New in Computer Science)

Chapter 17.1, Problem 17.1CP Chapter 17.1, Problem 17.2CP Chapter 17.1, Problem 17.3CP Chapter 17.1, Problem 17.4CP Chapter 17.2, Problem 17.5CP Chapter 17.2, Problem 17.6CP Chapter 17.2, Problem 17.7CP Chapter 17.2, Problem 17.8CP Chapter 17.3, Problem 17.9CP Chapter 17.3, Problem 17.10CP

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Chapter 17, Problem 3PC

Solution Summary: The author demonstrates the class "Point" that keeps a list of Point class objects in an "ArrayList".

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