PointList class Program plan: Import the required package. Create the class “Point” with a type parameter T, Declare necessary variables. Define the constructor. Define the “setx()” and “sety()” methods to set the values for X and Y Coordinates. Define the “getx()” and “gety()” methods to return the values of X and Y Coordinates. Create the class “PointList” that extends the class “Point”, Define the constructor. Define the public method “add()”, Store the value in “ArrayList” using the reference variable “obj”. Define the “toString()” method. Create the class “PointListexam”, Define the method main(), Create the object of a class “Point” as a type of “Integer”. Create the object for the class “PointList” that accepts the object of type Point. Call the “add()” method using the object of “PointList” to fill the values of “ArrayList”. Call the method “toString()” to print elements of “ArrayList”.

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Answer 1

Question

Chapter 17, Problem 3PC

Program Plan Intro

PointList class

Program plan:

Import the required package.

Create the class “Point” with a type parameter T,

Declare necessary variables.

Define the constructor.

Define the “setx()” and “sety()” methods to set the values for X and Y Coordinates.

Define the “getx()” and “gety()” methods to return the values of X and Y Coordinates.

Create the class “PointList” that extends the class “Point”,

Define the constructor.

Define the public method “add()”,

Store the value in “ArrayList” using the reference variable “obj”.

Define the “toString()” method.

Create the class “PointListexam”,

Define the method main(),

Create the object of a class “Point” as a type of “Integer”.

Create the object for the class “PointList” that accepts the object of type Point.

Call the “add()” method using the object of “PointList” to fill the values of “ArrayList”.

Call the method “toString()” to print elements of “ArrayList”.

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Answer 2

Question

Chapter 17, Problem 3PC

Program Plan Intro

PointList class

Program plan:

Import the required package.

Create the class “Point” with a type parameter T,

Declare necessary variables.

Define the constructor.

Define the “setx()” and “sety()” methods to set the values for X and Y Coordinates.

Define the “getx()” and “gety()” methods to return the values of X and Y Coordinates.

Create the class “PointList” that extends the class “Point”,

Define the constructor.

Define the public method “add()”,

Store the value in “ArrayList” using the reference variable “obj”.

Define the “toString()” method.

Create the class “PointListexam”,

Define the method main(),

Create the object of a class “Point” as a type of “Integer”.

Create the object for the class “PointList” that accepts the object of type Point.

Call the “add()” method using the object of “PointList” to fill the values of “ArrayList”.

Call the method “toString()” to print elements of “ArrayList”.

Expert Solution & Answer

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Check out a sample textbook solution

See solution

Answer 3

Question

Chapter 17, Problem 3PC

Program Plan Intro

PointList class

Program plan:

Import the required package.

Create the class “Point” with a type parameter T,

Declare necessary variables.

Define the constructor.

Define the “setx()” and “sety()” methods to set the values for X and Y Coordinates.

Define the “getx()” and “gety()” methods to return the values of X and Y Coordinates.

Create the class “PointList” that extends the class “Point”,

Define the constructor.

Define the public method “add()”,

Store the value in “ArrayList” using the reference variable “obj”.

Define the “toString()” method.

Create the class “PointListexam”,

Define the method main(),

Create the object of a class “Point” as a type of “Integer”.

Create the object for the class “PointList” that accepts the object of type Point.

Call the “add()” method using the object of “PointList” to fill the values of “ArrayList”.

Call the method “toString()” to print elements of “ArrayList”.

Expert Solution & Answer

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Check out a sample textbook solution

See solution

Answer 4

Question

Chapter 17, Problem 3PC

Program Plan Intro

PointList class

Program plan:

Import the required package.

Create the class “Point” with a type parameter T,

Declare necessary variables.

Define the constructor.

Define the “setx()” and “sety()” methods to set the values for X and Y Coordinates.

Define the “getx()” and “gety()” methods to return the values of X and Y Coordinates.

Create the class “PointList” that extends the class “Point”,

Define the constructor.

Define the public method “add()”,

Store the value in “ArrayList” using the reference variable “obj”.

Define the “toString()” method.

Create the class “PointListexam”,

Define the method main(),

Create the object of a class “Point” as a type of “Integer”.

Create the object for the class “PointList” that accepts the object of type Point.

Call the “add()” method using the object of “PointList” to fill the values of “ArrayList”.

Call the method “toString()” to print elements of “ArrayList”.

Expert Solution & Answer

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Check out a sample textbook solution

See solution

Answer 5

Chapter 17, Problem 3PC

Program Plan Intro

PointList class

Program plan:

Import the required package.

Create the class “Point” with a type parameter T,

Declare necessary variables.

Define the constructor.

Define the “setx()” and “sety()” methods to set the values for X and Y Coordinates.

Define the “getx()” and “gety()” methods to return the values of X and Y Coordinates.

Create the class “PointList” that extends the class “Point”,

Define the constructor.

Define the public method “add()”,

Store the value in “ArrayList” using the reference variable “obj”.

Define the “toString()” method.

Create the class “PointListexam”,

Define the method main(),

Create the object of a class “Point” as a type of “Integer”.

Create the object for the class “PointList” that accepts the object of type Point.

Call the “add()” method using the object of “PointList” to fill the values of “ArrayList”.

Call the method “toString()” to print elements of “ArrayList”.

Answer 6

Chapter 17, Problem 3PC

Program Plan Intro

PointList class

Program plan:

Import the required package.

Create the class “Point” with a type parameter T,

Declare necessary variables.

Define the constructor.

Define the “setx()” and “sety()” methods to set the values for X and Y Coordinates.

Define the “getx()” and “gety()” methods to return the values of X and Y Coordinates.

Create the class “PointList” that extends the class “Point”,

Define the constructor.

Define the public method “add()”,

Store the value in “ArrayList” using the reference variable “obj”.

Define the “toString()” method.

Create the class “PointListexam”,

Define the method main(),

Create the object of a class “Point” as a type of “Integer”.

Create the object for the class “PointList” that accepts the object of type Point.

Call the “add()” method using the object of “PointList” to fill the values of “ArrayList”.

Call the method “toString()” to print elements of “ArrayList”.

Answer 7

Chapter 17, Problem 3PC

Program Plan Intro

PointList class

Program plan:

Import the required package.

Create the class “Point” with a type parameter T,

Declare necessary variables.

Define the constructor.

Define the “setx()” and “sety()” methods to set the values for X and Y Coordinates.

Define the “getx()” and “gety()” methods to return the values of X and Y Coordinates.

Create the class “PointList” that extends the class “Point”,

Define the constructor.

Define the public method “add()”,

Store the value in “ArrayList” using the reference variable “obj”.

Define the “toString()” method.

Create the class “PointListexam”,

Define the method main(),

Create the object of a class “Point” as a type of “Integer”.

Create the object for the class “PointList” that accepts the object of type Point.

Call the “add()” method using the object of “PointList” to fill the values of “ArrayList”.

Call the method “toString()” to print elements of “ArrayList”.

Answer 8

Expert Solution & Answer

Answer 9

Expert Solution & Answer

Answer 10

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Answer 11

Ch. 17.1 - Prob. 17.1CP Ch. 17.1 - When ArrayList is used as a non-generic class, why...Ch. 17.1 - Suppose we use the following statement to...Ch. 17.1 - Assume we have used the statement shown in...Ch. 17.2 - Prob. 17.5CP Ch. 17.2 - Prob. 17.6CP Ch. 17.2 - Prob. 17.7CP Ch. 17.2 - Prob. 17.8CP Ch. 17.3 - Prob. 17.9CP Ch. 17.3 - Prob. 17.10CP

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

Concept explainers

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Chapter 17 Solutions