段階２完了しました

em-oop/src/Day3Check1.java

@@ -4,6 +4,10 @@ public class Day3Check1 {
 	public static void main(String[] args) {
 		Circle circle = new Circle(2);
 		circle.showInfo();
+		Rectangle rectangle = new Rectangle(3,4);
+		rectangle.showInfo();
+		
+		Greeting greeting = new JapaneseGreeting();
+		System.out.println(greeting.hello());
 	}
-
 }