update,

it114105/itp3914/Lab12/Ex5/PartTimer.java

@@ -0,0 +1,21 @@
+public class PartTimer extends Employee5 {
+    protected int workingHour;
+    protected int hourlyRate;
+
+    PartTimer(String name, int employeeID, int workingHour, int hourlyRate){
+        super(name, employeeID);
+        this.workingHour = (workingHour > 220) ? 0: workingHour;
+        this.hourlyRate = hourlyRate;
+        calculateSalary();
+    }
+
+    protected void calculateSalary(){
+        salary = workingHour * hourlyRate;
+    }
+    
+    @Override
+    public String toString() {
+        // TODO Auto-generated method stub
+        return super.toString() + ", Salary: " + salary + ", working Hour: " + workingHour + ", Hourly rate: " + hourlyRate;
+    }
+}