1段階目終わりました

em-oop/src/Shape.java

@@ -0,0 +1,16 @@
+
+public class Shape {
+	private String name;
+	public Shape(String name) {
+		this.name = name;
+	}
+	
+	public double area() {
+		return 0.0;
+	}
+	public void showInfo() {
+		System.out.println(this.name + "の面積は" + this.area() + "です");
+	}
+	
+	
+}