Generic class Program plan: Import the required package. Create the class “MyList” with a type parameter “T” that accepts any type that implements “Comparable” interface. Create “ArrayList” as a field of class “MyList” with type parameter “T”. Define the constructor. Define the public method “add()” to accept the parameter of type “T”, Store the value in “ArrayList” using the reference variable “list”. Define the method “largest()”, Call the method “get()” to store the initial value of “ArrayList” in the variable “val”. Iterate the elements of “ArrayList” using “for” loop. Use standard method “compareTo()” for standard comparison to find largest value.. Return the largest value using the keyword “return”. Define the method “smallest()”, Call the method “get()” to store the initial value of “ArrayList” in the variable “val”. Iterate using “for” loop to find the smallest value in the “ArrayList”. Use standard method “compareTo()” for standard comparison to find smallest value. Return the smallest value using the keyword “return”. Create the class “Main”, Define the method “main()”, Create the object of a class “MyList” as a type of “Integer”. Call the “add()” method using the object of type “Integer” to fill the values in the “ArrayList” of “Integer”. Call the method “largest()” to print the largest value of Integer “ArrayList”. Call the method “smallest()” to print the smallest value of Integer “ArrayList”.

Question

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Answer 1

Question

Chapter 18, Problem 6PC

Program Plan Intro

Generic class

Program plan:

Import the required package.

Create the class “MyList” with a type parameter “T” that accepts any type that implements “Comparable” interface.

Create “ArrayList” as a field of class “MyList” with type parameter “T”.

Define the constructor.

Define the public method “add()” to accept the parameter of type “T”,

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

Define the method “largest()”,

Call the method “get()” to store the initial value of “ArrayList” in the variable “val”.

Iterate the elements of “ArrayList” using “for” loop.

Use standard method “compareTo()” for standard comparison to find largest value..

Return the largest value using the keyword “return”.

Define the method “smallest()”,

Call the method “get()” to store the initial value of “ArrayList” in the variable “val”.

Iterate using “for” loop to find the smallest value in the “ArrayList”.

Use standard method “compareTo()” for standard comparison to find smallest value.

Return the smallest value using the keyword “return”.

Create the class “Main”,

Define the method “main()”,

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

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

Call the method “largest()” to print the largest value of Integer “ArrayList”.

Call the method “smallest()” to print the smallest value of Integer “ArrayList”.

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Answer 2

Question

Chapter 18, Problem 6PC

Program Plan Intro

Generic class

Program plan:

Import the required package.

Create the class “MyList” with a type parameter “T” that accepts any type that implements “Comparable” interface.

Create “ArrayList” as a field of class “MyList” with type parameter “T”.

Define the constructor.

Define the public method “add()” to accept the parameter of type “T”,

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

Define the method “largest()”,

Call the method “get()” to store the initial value of “ArrayList” in the variable “val”.

Iterate the elements of “ArrayList” using “for” loop.

Use standard method “compareTo()” for standard comparison to find largest value..

Return the largest value using the keyword “return”.

Define the method “smallest()”,

Call the method “get()” to store the initial value of “ArrayList” in the variable “val”.

Iterate using “for” loop to find the smallest value in the “ArrayList”.

Use standard method “compareTo()” for standard comparison to find smallest value.

Return the smallest value using the keyword “return”.

Create the class “Main”,

Define the method “main()”,

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

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

Call the method “largest()” to print the largest value of Integer “ArrayList”.

Call the method “smallest()” to print the smallest value of Integer “ArrayList”.

Expert Solution & Answer

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Check out a sample textbook solution

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Answer 3

Question

Chapter 18, Problem 6PC

Program Plan Intro

Generic class

Program plan:

Import the required package.

Create the class “MyList” with a type parameter “T” that accepts any type that implements “Comparable” interface.

Create “ArrayList” as a field of class “MyList” with type parameter “T”.

Define the constructor.

Define the public method “add()” to accept the parameter of type “T”,

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

Define the method “largest()”,

Call the method “get()” to store the initial value of “ArrayList” in the variable “val”.

Iterate the elements of “ArrayList” using “for” loop.

Use standard method “compareTo()” for standard comparison to find largest value..

Return the largest value using the keyword “return”.

Define the method “smallest()”,

Call the method “get()” to store the initial value of “ArrayList” in the variable “val”.

Iterate using “for” loop to find the smallest value in the “ArrayList”.

Use standard method “compareTo()” for standard comparison to find smallest value.

Return the smallest value using the keyword “return”.

Create the class “Main”,

Define the method “main()”,

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

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

Call the method “largest()” to print the largest value of Integer “ArrayList”.

Call the method “smallest()” to print the smallest value of Integer “ArrayList”.

Expert Solution & Answer

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Check out a sample textbook solution

See solution

Answer 4

Question

Chapter 18, Problem 6PC

Program Plan Intro

Generic class

Program plan:

Import the required package.

Create the class “MyList” with a type parameter “T” that accepts any type that implements “Comparable” interface.

Create “ArrayList” as a field of class “MyList” with type parameter “T”.

Define the constructor.

Define the public method “add()” to accept the parameter of type “T”,

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

Define the method “largest()”,

Call the method “get()” to store the initial value of “ArrayList” in the variable “val”.

Iterate the elements of “ArrayList” using “for” loop.

Use standard method “compareTo()” for standard comparison to find largest value..

Return the largest value using the keyword “return”.

Define the method “smallest()”,

Call the method “get()” to store the initial value of “ArrayList” in the variable “val”.

Iterate using “for” loop to find the smallest value in the “ArrayList”.

Use standard method “compareTo()” for standard comparison to find smallest value.

Return the smallest value using the keyword “return”.

Create the class “Main”,

Define the method “main()”,

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

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

Call the method “largest()” to print the largest value of Integer “ArrayList”.

Call the method “smallest()” to print the smallest value of Integer “ArrayList”.

Expert Solution & Answer

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See solution

Answer 5

Chapter 18, Problem 6PC

Program Plan Intro

Generic class

Program plan:

Import the required package.

Create the class “MyList” with a type parameter “T” that accepts any type that implements “Comparable” interface.

Create “ArrayList” as a field of class “MyList” with type parameter “T”.

Define the constructor.

Define the public method “add()” to accept the parameter of type “T”,

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

Define the method “largest()”,

Call the method “get()” to store the initial value of “ArrayList” in the variable “val”.

Iterate the elements of “ArrayList” using “for” loop.

Use standard method “compareTo()” for standard comparison to find largest value..

Return the largest value using the keyword “return”.

Define the method “smallest()”,

Call the method “get()” to store the initial value of “ArrayList” in the variable “val”.

Iterate using “for” loop to find the smallest value in the “ArrayList”.

Use standard method “compareTo()” for standard comparison to find smallest value.

Return the smallest value using the keyword “return”.

Create the class “Main”,

Define the method “main()”,

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

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

Call the method “largest()” to print the largest value of Integer “ArrayList”.

Call the method “smallest()” to print the smallest value of Integer “ArrayList”.

Answer 6

Chapter 18, Problem 6PC

Program Plan Intro

Generic class

Program plan:

Import the required package.

Create the class “MyList” with a type parameter “T” that accepts any type that implements “Comparable” interface.

Create “ArrayList” as a field of class “MyList” with type parameter “T”.

Define the constructor.

Define the public method “add()” to accept the parameter of type “T”,

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

Define the method “largest()”,

Call the method “get()” to store the initial value of “ArrayList” in the variable “val”.

Iterate the elements of “ArrayList” using “for” loop.

Use standard method “compareTo()” for standard comparison to find largest value..

Return the largest value using the keyword “return”.

Define the method “smallest()”,

Call the method “get()” to store the initial value of “ArrayList” in the variable “val”.

Iterate using “for” loop to find the smallest value in the “ArrayList”.

Use standard method “compareTo()” for standard comparison to find smallest value.

Return the smallest value using the keyword “return”.

Create the class “Main”,

Define the method “main()”,

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

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

Call the method “largest()” to print the largest value of Integer “ArrayList”.

Call the method “smallest()” to print the smallest value of Integer “ArrayList”.

Answer 7

Chapter 18, Problem 6PC

Program Plan Intro

Generic class

Program plan:

Import the required package.

Create the class “MyList” with a type parameter “T” that accepts any type that implements “Comparable” interface.

Create “ArrayList” as a field of class “MyList” with type parameter “T”.

Define the constructor.

Define the public method “add()” to accept the parameter of type “T”,

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

Define the method “largest()”,

Call the method “get()” to store the initial value of “ArrayList” in the variable “val”.

Iterate the elements of “ArrayList” using “for” loop.

Use standard method “compareTo()” for standard comparison to find largest value..

Return the largest value using the keyword “return”.

Define the method “smallest()”,

Call the method “get()” to store the initial value of “ArrayList” in the variable “val”.

Iterate using “for” loop to find the smallest value in the “ArrayList”.

Use standard method “compareTo()” for standard comparison to find smallest value.

Return the smallest value using the keyword “return”.

Create the class “Main”,

Define the method “main()”,

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

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

Call the method “largest()” to print the largest value of Integer “ArrayList”.

Call the method “smallest()” to print the smallest value of Integer “ArrayList”.

Answer 8

Expert Solution & Answer

Answer 9

Expert Solution & Answer

Answer 10

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Answer 11

Ch. 18.1 - Prob. 18.1CP Ch. 18.1 - When ArrayList is used as a non-generic class, why...Ch. 18.1 - Suppose we use the following statement to...Ch. 18.1 - Assume we have used the statement shown in...Ch. 18.2 - Prob. 18.5CP Ch. 18.2 - Prob. 18.6CP Ch. 18.2 - Prob. 18.7CP Ch. 18.2 - Prob. 18.8CP Ch. 18.3 - Prob. 18.9CP Ch. 18.3 - Prob. 18.10CP

Solution Summary: The author demonstrates the class with type parameter constrained to accept any type arguments that implements "Comparable" interface.

Concept explainers

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Chapter 18 Solutions