Finding largest element in an array list Program plan: Filename: “Measurable.java” This code snippet creates an interface “Measurable”. In the code, Import the required packages. Define a class “Measurable”. Define the class member “getMeasure()”. Define the method “largest()”. If the size of the “objects” is equal to 0, Return a value “null”. Declare a variable “largest” and set its value. Iterate a “for” loop, If “obj” is less than “largest”, Set “largest” equal to “obj”. Return “largest”. Filename: “BankAccount.java” This code snippet creates a class “BankAccount”. In the code, Define a class “BankAccount”. Define the class member “balance”. Define the constructor “BankAccount()”. Set the value of “balance”. Define the method “deposit()”. Set the value of “balance”. Define the method “withdraw()”. Set the value of “balance”. Define the method “getBalance()”. Return the value of “balance”. Define the method “getMeasure()”. Return the value of “balance”. Filename: “Country.java” This code snippet creates a class “Country”. In the code, Define a class “Country”. Define the class members “name” and “area”. Define the constructor “Country()”. Set the value of “name” and “area”. Define the method “getName()”. Return the value of “name”. Define the method “getArea()”. Return the value of “area”. Define the method “getMeasure()”. Return the value of “area”. Filename: “MeasurableTester.java” This code snippet creates a class “MeasurableTester”. In the code, Define a class “MeasurableTester”. Define the “main” method. Define an array list “accounts” and set the objects to it. Add elements to “accounts”. Call the method “largest()” and save the value to “largestAccount”. Call the method “getBalance()” and print the value. Print the expected value. Define an array list “contries” and set the objects to it. Add elements to “contries”. Call the method “largest()” and save the value to “largestCountry”. Call the method “getArea()” and print the value. Print the expected value. Call the method “getName()” and print the value. Print the expected value.

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Chapter 18, Problem 4PP

Program Plan Intro

Finding largest element in an array list

Program plan:

Filename: “Measurable.java”

This code snippet creates an interface “Measurable”. In the code,

Import the required packages.

Define a class “Measurable”.

Define the class member “getMeasure()”.

Define the method “largest()”.

If the size of the “objects” is equal to 0,

Return a value “null”.

Declare a variable “largest” and set its value.

Iterate a “for” loop,

If “obj” is less than “largest”,

Set “largest” equal to “obj”.

Return “largest”.

Filename: “BankAccount.java”

This code snippet creates a class “BankAccount”. In the code,

Define a class “BankAccount”.

Define the class member “balance”.

Define the constructor “BankAccount()”.

Set the value of “balance”.

Define the method “deposit()”.

Set the value of “balance”.

Define the method “withdraw()”.

Set the value of “balance”.

Define the method “getBalance()”.

Return the value of “balance”.

Define the method “getMeasure()”.

Return the value of “balance”.

Filename: “Country.java”

This code snippet creates a class “Country”. In the code,

Define a class “Country”.

Define the class members “name” and “area”.

Define the constructor “Country()”.

Set the value of “name” and “area”.

Define the method “getName()”.

Return the value of “name”.

Define the method “getArea()”.

Return the value of “area”.

Define the method “getMeasure()”.

Return the value of “area”.

Filename: “MeasurableTester.java”

This code snippet creates a class “MeasurableTester”. In the code,

Define a class “MeasurableTester”.

Define the “main” method.

Define an array list “accounts” and set the objects to it.

Add elements to “accounts”.

Call the method “largest()” and save the value to “largestAccount”.

Call the method “getBalance()” and print the value.

Print the expected value.

Define an array list “contries” and set the objects to it.

Add elements to “contries”.

Call the method “largest()” and save the value to “largestCountry”.

Call the method “getArea()” and print the value.

Print the expected value.

Call the method “getName()” and print the value.

Print the expected value.

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