3段階目

em-oop/src/Shape.java

@@ -1,20 +1,41 @@
+//
+//public abstract class Shape {
+//
+//	private String name;
+//	
+//	public Shape(String name) {
+//		this.name = name;
+//		
+//	}
+//	
+//	public abstract double area();
+//		//return 0.0;
+//		
+//	
+//	
+//	public void showInfo() {
+//		//System.out.println(this.name + "の面積は" + this.area() + "です");
+//		
+//	}
+public class Shape {
 
-public abstract class Shape {
-
+	//フィールド作成
 	private String name;
-	
+
+	//コンストラクタ作成
 	public Shape(String name) {
 		this.name = name;
-		
 	}
-	
-	public abstract double area();
-		//return 0.0;
-		
-	
-	
-	public void showInfo() {
-		//System.out.println(this.name + "の面積は" + this.area() + "です");
-		
+
+	//メソッド作成
+	double area() {
+		return 0.0;
 	}
+
+	//メソッド作成
+	void showInfo() {
+		//出力
+		System.out.println(this.name + "の面積は" + this.area() + "です");
+	}
+
 }