update,

it114105/itp4510/Lab01/Lab1.2/q3/Shape.java

@@ -0,0 +1,13 @@
+public abstract class Shape {
+    protected String name;
+
+    public Shape(String n) {
+        name = n;
+    }
+
+    public abstract double getArea();
+
+    public String getName() {
+        return name;
+    }
+}