update,

_resources/it114105/itp3914/Lab12/Ex1/Item.java

@@ -0,0 +1,19 @@
+public class Item {
+	private String productCode;
+	private double price;
+	private int quantity;
+ 
+	public Item(String productCode, double price, int quantity) {
+        this.productCode = productCode;
+        this.price = price;
+        this.quantity = quantity;
+	}
+ 
+	public double getItemTotal() {
+		return price * quantity;
+	}
+ 
+	public String toString() {
+		return productCode +":" + price + "*" + quantity + "=" + getItemTotal();
+	}
+}