labs/lab4/Account.java

@@ -1,71 +0,0 @@
-//******************************************************* 
-// Account.java 
-// 
-// A bank account class with methods to deposit to, withdraw from, 
-// change the name on, charge a fee to, and print a summary of the account. 
-//******************************************************* 
-public class Account 
-{ 
- private double balance; 
- private String name; 
- private long acctNum; 
- //---------------------------------------------- 
- //Constructor -- initializes balance, owner, and account number 
- //---------------------------------------------- 
- public Account(double initBal, String owner, long number) 
- { 
- balance = initBal; 
- name = owner; 
- acctNum = number; 
- } 
- //---------------------------------------------- 
- // Checks to see if balance is sufficient for withdrawal. 
- // If so, decrements balance by amount; if not, prints message. 
- //---------------------------------------------- 
- public void withdraw(double amount) 
- { 
- if (balance >= amount) 
- balance -= amount; 
- else 
- System.out.println("Insufficient funds"); 
- } 
- //---------------------------------------------- 
- // Adds deposit amount to balance. 
-//3
-//Chapter 4: Writing Classes
- //---------------------------------------------- 
- public void deposit(double amount) 
- { 
- balance += amount; 
- } 
- //---------------------------------------------- 
- // Returns balance. 
- //---------------------------------------------- 
- public double getBalance() 
- { 
- return balance; 
- } 
- //---------------------------------------------- 
- // Returns a string containing the name, account number, and balance. 
- //---------------------------------------------- 
- public String toString() 
- { 
-    String strbalance = balance+"";
-    return "Account name: " + name + ", Account num: " + acctNum + ", Account balance: " + strbalance;
- } 
- //---------------------------------------------- 
- // Deducts $10 service fee 
- //---------------------------------------------- 
- public void chargeFee() 
- { 
-    balance -= 10;
- } 
- //---------------------------------------------- 
- // Changes the name on the account 
- //---------------------------------------------- 
- public void changeName(String newName) 
- 
- { 
-    name = newName;
- } 
-} 

labs/lab4/Grades.java

@@ -1,24 +0,0 @@
-// **************************************************************** 
-// Grades.java 
-// 
-// Use Student class to get test grades for two students 
-// and compute averages 
-// 
-// **************************************************************** 
-public class Grades 
-{ 
- public static void main(String[] args) 
- { 
- Student student1 = new Student("Mary"); 
- //create student2, "Mike"
- Student student2 = new Student("Mike"); 
- //input grades for Mary 
- student1.inputGrades();
- //print average for Mary 
- System.out.println(student1.getAverage()); 
- //input grades for Mike
- student2.inputGrades(); 
- //print average for Mike
- System.out.println(student2.getAverage()); 
- } 
-}

labs/lab4/ManageAccounts.java

@@ -1,33 +0,0 @@
-// **************************************************************** 
-// ManageAccounts.java 
-// 
-// Use Account class to create and manage Sally and Joe's 
-// bank accounts 
-// ****************************************************************
-public class ManageAccounts 
-{ 
- public static void main(String[] args) 
- { 
- Account acct1, acct2; 
- //create account1 for Sally with $1000 
- acct1 = new Account(1000, "Sally", 1111); 
- //create account2 for Joe with $500 
- acct2 = new Account(500, "Joe", 2222);
- //deposit $100 to Joe's account
- acct2.deposit(100); 
- //print Joe's new balance (use getBalance())
- acct2.getBalance(); 
- //withdraw $50 from Sally's account 
- acct1.withdraw(50);
- //print Sally's new balance (use getBalance())
- acct1.getBalance(); 
- //charge fees to both accounts
- acct1.chargeFee();
- acct2.chargeFee(); 
- //change the name on Joe's account to Joseph
- acct2.changeName("Joseph"); 
- //print summary for both accounts
- System.out.println(acct1);
- System.out.println(acct2); 
- } 
-} 

labs/lab4/Student.java

@@ -1,46 +0,0 @@
-// **************************************************************** 
-// Student.java 
-// 
-// Define a student class that stores name, score on test 1, and 
-// score on test 2. Methods prompt for and read in grades, 
-// compute the average, and return a string containing student’s info. 
-// **************************************************************** 
-import java.util.Scanner; 
-public class Student 
-{ 
- private String studentName;
- private double test1;
- private double test2;
- public Student(String studentName) 
- { 
- this.studentName = studentName;
- this.test1 = 0;
- this.test2 = 0;
- } 
- //----------------------------------------------- 
- //inputGrades: prompt for and read in student's grades for test1 and test2. 
- //Use name in prompts, e.g., "Enter's Joe's score for test1". 
- //----------------------------------------------- 
- public void inputGrades() 
- { 
- System.out.println("Enter "+studentName+"'s score for test1");
- Scanner scan = new Scanner(System.in);
- test1 = scan.nextDouble();
- System.out.println("Enter "+studentName+"'s score for test2");
- test2 = scan.nextDouble();
- } 
- //----------------------------------------------- 
- //getAverage: compute and return the student's test average 
- //----------------------------------------------- 
- public double getAverage() 
- { 
- return (test1+test2)/2; 
- } 
- //----------------------------------------------- 
- //getName: print the student's name 
- //----------------------------------------------- 
- public String getName() 
- { 
- return studentName;
- } 
-}