update,

_resources/it114105/itp4510/Lab01/Lab1.1/TestWorker.java

@@ -0,0 +1,10 @@
+public class TestWorker {
+    public static void main(String [] args) {
+        Worker [] w = new Worker[3];
+        w[0] = new Worker("Peter");
+        w[1] = new CommissionWorker("John", 120, 10);
+        w[2] = new HourlyWorker("Mary", 25, 40);
+        for( int i = 0; i < w.length; i++)
+            System.out.println(w[i]);
+    }
+}