QuadraticEquation Program plan: Import required packages. Define a class “Exercise09_10” Declare the main class named “Main”. Give the main method “public static void main ()”. Prompt the user to get the inputs for the data members. Create an object “equation”. Print the statement “equation has no roots” if discriminant value is less than 0. Print the result if value of discriminant is equal to 0 by calling the method “getRoot1()”. Print the results if value of discriminant is greater than or equal to 0 by calling the methods “getRoot1()” and “getRoot2()”. Define a class “QuadraticEquation” Declare the data members and parameterized constructor. Define a method to get the value of “a”. Define a method to get the value of “b”. Define a method to get the value of “c” Define a method to get the value of discriminant. Define methods to get the roots.

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Answer 1

Question

Chapter 9, Problem 9.10PE

Program Plan Intro

QuadraticEquation

Program plan:

Import required packages.

Define a class “Exercise09_10”

Declare the main class named “Main”.

Give the main method “public static void main ()”.

Prompt the user to get the inputs for the data members.

Create an object “equation”.

Print the statement “equation has no roots” if discriminant value is less than 0.

Print the result if value of discriminant is equal to 0 by calling the method “getRoot1()”.

Print the results if value of discriminant is greater than or equal to 0 by calling the methods “getRoot1()” and “getRoot2()”.

Define a class “QuadraticEquation”

Declare the data members and parameterized constructor.

Define a method to get the value of “a”.

Define a method to get the value of “b”.

Define a method to get the value of “c”

Define a method to get the value of discriminant.

Define methods to get the roots.

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Answer 2

Question

Chapter 9, Problem 9.10PE

Program Plan Intro

QuadraticEquation

Program plan:

Import required packages.

Define a class “Exercise09_10”

Declare the main class named “Main”.

Give the main method “public static void main ()”.

Prompt the user to get the inputs for the data members.

Create an object “equation”.

Print the statement “equation has no roots” if discriminant value is less than 0.

Print the result if value of discriminant is equal to 0 by calling the method “getRoot1()”.

Print the results if value of discriminant is greater than or equal to 0 by calling the methods “getRoot1()” and “getRoot2()”.

Define a class “QuadraticEquation”

Declare the data members and parameterized constructor.

Define a method to get the value of “a”.

Define a method to get the value of “b”.

Define a method to get the value of “c”

Define a method to get the value of discriminant.

Define methods to get the roots.

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Answer 3

Question

Chapter 9, Problem 9.10PE

Program Plan Intro

QuadraticEquation

Program plan:

Import required packages.

Define a class “Exercise09_10”

Declare the main class named “Main”.

Give the main method “public static void main ()”.

Prompt the user to get the inputs for the data members.

Create an object “equation”.

Print the statement “equation has no roots” if discriminant value is less than 0.

Print the result if value of discriminant is equal to 0 by calling the method “getRoot1()”.

Print the results if value of discriminant is greater than or equal to 0 by calling the methods “getRoot1()” and “getRoot2()”.

Define a class “QuadraticEquation”

Declare the data members and parameterized constructor.

Define a method to get the value of “a”.

Define a method to get the value of “b”.

Define a method to get the value of “c”

Define a method to get the value of discriminant.

Define methods to get the roots.

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Answer 4

Question

Chapter 9, Problem 9.10PE

Program Plan Intro

QuadraticEquation

Program plan:

Import required packages.

Define a class “Exercise09_10”

Declare the main class named “Main”.

Give the main method “public static void main ()”.

Prompt the user to get the inputs for the data members.

Create an object “equation”.

Print the statement “equation has no roots” if discriminant value is less than 0.

Print the result if value of discriminant is equal to 0 by calling the method “getRoot1()”.

Print the results if value of discriminant is greater than or equal to 0 by calling the methods “getRoot1()” and “getRoot2()”.

Define a class “QuadraticEquation”

Declare the data members and parameterized constructor.

Define a method to get the value of “a”.

Define a method to get the value of “b”.

Define a method to get the value of “c”

Define a method to get the value of discriminant.

Define methods to get the roots.

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Answer 5

Chapter 9, Problem 9.10PE

Program Plan Intro

QuadraticEquation

Program plan:

Import required packages.

Define a class “Exercise09_10”

Declare the main class named “Main”.

Give the main method “public static void main ()”.

Prompt the user to get the inputs for the data members.

Create an object “equation”.

Print the statement “equation has no roots” if discriminant value is less than 0.

Print the result if value of discriminant is equal to 0 by calling the method “getRoot1()”.

Print the results if value of discriminant is greater than or equal to 0 by calling the methods “getRoot1()” and “getRoot2()”.

Define a class “QuadraticEquation”

Declare the data members and parameterized constructor.

Define a method to get the value of “a”.

Define a method to get the value of “b”.

Define a method to get the value of “c”

Define a method to get the value of discriminant.

Define methods to get the roots.

Answer 6

Chapter 9, Problem 9.10PE

Program Plan Intro

QuadraticEquation

Program plan:

Import required packages.

Define a class “Exercise09_10”

Declare the main class named “Main”.

Give the main method “public static void main ()”.

Prompt the user to get the inputs for the data members.

Create an object “equation”.

Print the statement “equation has no roots” if discriminant value is less than 0.

Print the result if value of discriminant is equal to 0 by calling the method “getRoot1()”.

Print the results if value of discriminant is greater than or equal to 0 by calling the methods “getRoot1()” and “getRoot2()”.

Define a class “QuadraticEquation”

Declare the data members and parameterized constructor.

Define a method to get the value of “a”.

Define a method to get the value of “b”.

Define a method to get the value of “c”

Define a method to get the value of discriminant.

Define methods to get the roots.

Answer 7

Chapter 9, Problem 9.10PE

Program Plan Intro

QuadraticEquation

Program plan:

Import required packages.

Define a class “Exercise09_10”

Declare the main class named “Main”.

Give the main method “public static void main ()”.

Prompt the user to get the inputs for the data members.

Create an object “equation”.

Print the statement “equation has no roots” if discriminant value is less than 0.

Print the result if value of discriminant is equal to 0 by calling the method “getRoot1()”.

Print the results if value of discriminant is greater than or equal to 0 by calling the methods “getRoot1()” and “getRoot2()”.

Define a class “QuadraticEquation”

Declare the data members and parameterized constructor.

Define a method to get the value of “a”.

Define a method to get the value of “b”.

Define a method to get the value of “c”

Define a method to get the value of discriminant.

Define methods to get the roots.

Answer 8

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Answer 19

Ch. 9.3 - Prob. 9.3.1CP Ch. 9.3 - How do you define a class?Ch. 9.3 - How do you declare an objects reference variable?Ch. 9.3 - How do you create an object?Ch. 9.4 - Prob. 9.4.5CP Ch. 9.4 - When will a class have a default constructor?Ch. 9.5 - Which operator is used to access a data field or...Ch. 9.5 - What is an anonymous object?Ch. 9.5 - Prob. 9.5.3CP Ch. 9.5 - Is an array an object or a primitive-type value?...

Solution Summary: The author explains how the program is used to check the discriminant and display the square roots.

Chapter 9 Solutions