Answered: Programming Steps Step 1: Write a Java program to define a class called Project4_BankAccount. Let's assume that • the constant lowBalance is used as a threshold...

Transcribed Image Text:Project 4 Define & Use Class BankAccount Due on Sunday, 3/5/2023, by 11:59pm Lab Objectives This lab was designed to reinforce programming concepts from Chapter 3 of Java How to Program: 11/e. In this lab you will practice: • Declaring a class • Using class objects Problem Description Write a Java program to define a class called Project4_BankAccount. Then write a Java application called Project4_BankAccount Demo_YourInitial to use class Project4_BankAccount. Programming Steps Step 1: Write a Java program to define a class called Project4_BankAccount. Let's assume that • the constant lowBalance is used as a threshold to check if the bank account has been overdrawn o set it to 100 (dollars) the instance variables of this class are O balance: if it is below lowBalance, the bank account has been overdrawn o userName the get methods are to get the current value of the instance variables the set methods are to set a new value to the instance variables the operations to change the balance are deposit and withdraw (to set a different balance) • the method displayMessage() will display the current balance and will also display the urgent message of overdrawn if the current balance is below lowBalance. The members of the class Project4_BankAccount are listed in Table 1 on the following page. The sign '-' is followed by a private member, '+' is followed by a public member. Step 2: Write a Java application called Project4_BankAccount Demo_YourInitial to use class Project4_BankAccount by 1. creating an object of class Project4_BankAccount named theAcct with no initial balance

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Transcribed Image Text:a. you should choose a proper constructor 2. for this object of the Acct a. setting an initial value (for example, 500ドル) to the instance variable balance of this object i. use the set method b. calling a proper method of class Project4_BankAccount to display a message about the balance in the account c calling a proper method of class Project4_BankAccount to withdraw 300ドル from the bank account d. calling a proper method of class Project4 BankAccount to display a message about the balance in the account again request the initial balance from user 3. 4. create another object of class Project4_BankAccount named myAcct with the initial balance obtained from user in step 3 5. for this object of myAcct, repeat step 2b through 2d, except it is to deposit 200ドル to the bank account in step 2c Step 3: Run the application Project4 BankAccountDemo YourInitial.java. Snapshot your compiler window to fully show your output pane and name the image as Project4_BankAccount YourName.png. You must make sure your both program files are in the same folder. CS140, TSU Table 1: Members of class Project4 BankAccount Project4 BankAccount - lowBalance: static final double -balance: double -username: String + Project4_BankAccount (usemame: String): + Project4_BankAccount (usemame: String, balance:double): +getBalance 0:double + setBalance (balance: double): void + deposit (amount : double): void +withdraw (amount: double):void +displayMessage():void Sample Output Create an object with no initial balance! Set 500ドル to the balance! Here is account balance information for Li Ma The current balance in 500.00. Withdraw 300ドル from account! Here is account balance information for Li Ma The current balance in 200.00. Please enter the user name Ma Please enter the initial balance: (392 Create an object with an initial balance! Here is account balance information for (Ma Lib www The current balance in 392.00. Deposit 200ドル to account! Here is account balance information for Ma Li The current balance in 592.00. Created by Li Ma Bank username, initialized when creating the first object of the class Bank usemame and initial balance, entered by user Different Bank username, initialized when creating the second object of the class

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