update,

_resources/it114105/itp4507/Assignment/19-20/src/CoffeeProwder.java

@@ -0,0 +1,41 @@
+/*
+ * To change this license header, choose License Headers in Project Properties.
+ * To change this template file, choose Tools | Templates
+ * and open the template in the editor.
+ */
+
+/**
+ *
+ * @author jerrykwok
+ */
+public class CoffeeProwder extends CoffeeProduct {
+
+    private double wegiht;
+
+    public CoffeeProwder(String name, int productID, double wegiht) {
+        super(name, productID);
+        this.wegiht = wegiht;
+    }
+
+    public double getWegiht() {
+        return wegiht;
+    }
+
+    public void setWegiht(double wegiht) {
+        this.wegiht = wegiht;
+    }
+
+
+    public String toString() {
+        return super.toString() + "Wegiht: " + getWegiht() + "\n";
+    }
+
+    public String printList() {
+        return super.printList() + "\t\t" + getQty() + "\t\t" + (int)(getWegiht()) + "g";
+    }
+    
+    public CoffeeProductMemento saveMemento(){
+        return new CoffeeProwderMemento(this);
+    }
+
+}