End of section project files

Employee class hierarchy and EmployeeDemo (Projects 9-1 and 9-2)

section9/Employee.java

@@ -0,0 +1,38 @@
+
+public abstract class Employee {
+    private String firstName;
+    private String lastName;
+    private int age;
+
+    public Employee(String firstName, String lastName, int age) {
+        this.firstName = firstName;
+        this.lastName = lastName;
+        this.age = age;
+    }//end ctor
+
+    public String getFirstName() {
+        return firstName;
+    }
+
+    public void setFirstName(String firstName) {
+        this.firstName = firstName;
+    }
+
+    public String getLastName() {
+        return lastName;
+    }
+
+    public void setLastName(String lastName) {
+        this.lastName = lastName;
+    }
+
+    public int getAge() {
+        return age;
+    }
+
+    public void setAge(int age) {
+        this.age = age;
+    }
+
+    public abstract String work();
+}

section9/EmployeeDemo.java

@@ -0,0 +1,53 @@
+
+import java.util.Random;
+
+
+public class EmployeeDemo {
+
+    private enum EmployeeType {
+        WORKER, 
+        MANAGER
+    }
+    public static void main(String[] args) {
+        Employee[] employees = new Employee[5];
+
+        for(int i = 0; i < 5; i++) {
+            EmployeeType et = getEmployeeType();
+            Employee currentEmployee;
+
+            if(et == EmployeeType.WORKER) {
+                currentEmployee = new Worker("Will", "Jones", 20);
+            }
+            else {
+                currentEmployee = new Manager("Sam", "Jones", 38);
+            }
+
+            employees[i] = currentEmployee;
+        }//end for creating employees
+
+        for(Employee employee : employees) {
+            System.out.println("Name: " + employee.getFirstName() +
+                    " " + employee.getLastName() + ", age " + 
+                    employee.getAge() + " says , " );
+            System.out.println("\t" + employee.work() + "\n");
+        }//end for
+
+    }//end main
+
+    public static EmployeeType getEmployeeType() {
+        EmployeeType result;
+
+        Random rand = new Random();
+        final int UPPER_BOUND = 2;
+        int whichOne = rand.nextInt(UPPER_BOUND);
+
+        if(whichOne == 0) {
+            result = EmployeeType.WORKER;
+        }
+        else {
+            result = EmployeeType.MANAGER;
+        }
+
+        return result;
+    }
+}

section9/Manager.java

@@ -0,0 +1,11 @@
+
+public class Manager extends Employee {
+    public Manager(String first, String last, int age) {
+        super(first, last, age);
+    }
+
+    @Override
+    public String work() {
+        return "I'm busy bossing everyone around!";
+    }
+}

section9/Worker.java

@@ -0,0 +1,13 @@
+
+public class Worker extends Employee {
+
+    public Worker(String first, String last, int age) {
+        super(first, last, age);
+    }
+
+    @Override
+    public String work() {
+         return "I'm busy getting work done!";
+    }
+
+}