BIG JAVA: LATE OBJECTS
2nd Edition
ISBN: 9781119626220
Author: Horstmann
Publisher: WILEY
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Chapter 9, Problem 9PE
Program Plan Intro
Basic Account to deposit and withdraw amount
Filename: “BankAccount.java”
This program file is used to define a class “BankAccount”. In the code,
- Define a class “BankAccount”.
- Declare a class variable “balance”.
- Define a constructor “BankAccount()”.
- Initialize the “balance” as 0
- Define a constructor “BankAccount()”.
- Set the value of “balance”.
- Define a method “deposit()”.
- Set the value of “newBalance”.
- Set the value of “balance”.
- Define a method “withdraw()”.
- Set the value of “newBalance”.
- Set the value of “balance”.
- Define a method “getBalance()”.
- Return the value of “balance”.
Filename: “BasicAccount.java”
This program file is used to define a class “BasicAccount” as extending from “BankAccount”. In the code,
- Define a class “BasicAccount”.
- Define a constructor “BasicAccount()”.
- Call the method “super()”.
- Define a method “withdraw()”.
- If the condition “getBalance()-amount<0” is true,
- Add 30 to “amount”.
- Invoke “withdraw()”.
- Add 30 to “amount”.
- If the condition “getBalance()-amount<0” is true,
- Define a constructor “BasicAccount()”.
Filename: “BasicAccountTester.java”
This program file is used to define a class “BasicAccountTester” to test the class “BasicAccount”. In the code,
- Define a class “BasicAccountTester”.
- Define a method “main()”.
- Declare an object of “BasicAccount()”.
- Call the method “withdraw()”.
- Call the method “getBalance()” and print the value.
- Print the expected value.
- Call the method “withdraw()”.
- Call the method “getBalance()” and print the value.
- Print the expected value.
- Call the method “withdraw()”.
- Call the method “getBalance()” and print the value.
- Print the expected value.
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Chapter 9 Solutions
BIG JAVA: LATE OBJECTS
Ch. 9.1 - Prob. 1SCCh. 9.1 - Prob. 2SCCh. 9.1 - Prob. 3SCCh. 9.1 - Prob. 4SCCh. 9.1 - Prob. 5SCCh. 9.2 - Prob. 6SCCh. 9.2 - Prob. 7SCCh. 9.2 - Prob. 8SCCh. 9.2 - Prob. 9SCCh. 9.2 - Prob. 10SC
Ch. 9.3 - Prob. 11SCCh. 9.3 - Prob. 12SCCh. 9.3 - Prob. 13SCCh. 9.3 - Prob. 14SCCh. 9.3 - Prob. 15SCCh. 9.4 - Prob. 16SCCh. 9.4 - Prob. 17SCCh. 9.4 - Prob. 18SCCh. 9.4 - Prob. 19SCCh. 9.4 - Prob. 20SCCh. 9.5 - Prob. 21SCCh. 9.5 - Prob. 22SCCh. 9.5 - Prob. 23SCCh. 9.5 - Prob. 24SCCh. 9.5 - Prob. 25SCCh. 9.6 - Prob. 26SCCh. 9.6 - Prob. 27SCCh. 9.6 - Prob. 28SCCh. 9.6 - Prob. 29SCCh. 9.6 - Prob. 30SCCh. 9.6 - Prob. 31SCCh. 9 - Prob. 1RECh. 9 - Prob. 2RECh. 9 - Prob. 3RECh. 9 - Prob. 4RECh. 9 - Prob. 5RECh. 9 - Prob. 6RECh. 9 - Prob. 7RECh. 9 - Prob. 8RECh. 9 - Prob. 9RECh. 9 - Prob. 10RECh. 9 - Prob. 11RECh. 9 - Prob. 12RECh. 9 - Prob. 13RECh. 9 - Prob. 14RECh. 9 - Prob. 15RECh. 9 - Prob. 16RECh. 9 - Prob. 1PECh. 9 - Prob. 2PECh. 9 - Prob. 3PECh. 9 - Prob. 4PECh. 9 - Prob. 7PECh. 9 - Prob. 8PECh. 9 - Prob. 9PECh. 9 - Prob. 10PECh. 9 - Prob. 11PECh. 9 - Prob. 12PECh. 9 - Prob. 13PECh. 9 - Prob. 14PECh. 9 - Prob. 15PECh. 9 - Prob. 16PECh. 9 - Prob. 18PECh. 9 - Prob. 19PECh. 9 - Prob. 20PECh. 9 - Prob. 21PECh. 9 - Prob. 22PECh. 9 - Prob. 23PECh. 9 - Prob. 1PPCh. 9 - Prob. 2PPCh. 9 - Prob. 3PPCh. 9 - Prob. 4PPCh. 9 - Prob. 5PPCh. 9 - Prob. 6PPCh. 9 - Prob. 7PPCh. 9 - Prob. 8PPCh. 9 - Prob. 9PPCh. 9 - Prob. 10PPCh. 9 - Prob. 11PPCh. 9 - Prob. 12PPCh. 9 - Prob. 13PPCh. 9 - Prob. 14PPCh. 9 - Prob. 15PPCh. 9 - Prob. 16PPCh. 9 - Prob. 17PPCh. 9 - Prob. 18PPCh. 9 - Prob. 19PPCh. 9 - Prob. 20PPCh. 9 - Prob. 21PPCh. 9 - Prob. 22PPCh. 9 - Prob. 23PP
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