该吃饭了

.classpath

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+<?xml version="1.0" encoding="UTF-8"?>
+<classpath>
+	<classpathentry kind="src" path="src"/>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER"/>
+	<classpathentry kind="output" path="bin"/>
+</classpath>

.gitignore

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+bin/

.project

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+<?xml version="1.0" encoding="UTF-8"?>
+<projectDescription>
+	<name>Miam</name>
+	<comment></comment>
+	<projects>
+	</projects>
+	<buildSpec>
+		<buildCommand>
+			<name>org.eclipse.jdt.core.javabuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+	</buildSpec>
+	<natures>
+		<nature>org.eclipse.jdt.core.javanature</nature>
+	</natures>
+</projectDescription>

src/Main.java

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+import my.stomach.Stomach;
+
+/**
+ * @author pteyssier
+ *
+ */
+public class Main {
+
+	/**
+	 * @param args
+	 */
+	public static void main(String[] args) {
+		Stomach stomach = new Stomach();
+		System.out.println(stomach);
+	}
+
+}

src/my/food/ChaShaoBao.java

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+package my.food;
+
+import java.util.ArrayList;
+import java.util.List;
+
+
+public class ChaShaoBao implements Food {
+
+	List<String> ingredients = new ArrayList<String>();
+
+	/* Exercise 1: implement Constructor */
+
+	@Override
+	public List<String> getIngredients() {
+		return ingredients;
+	}
+
+	@Override
+	public String getCountryOrigin() {
+		// TODO Auto-generated method stub
+		return null;
+	}
+
+	@Override
+	public Integer getCalory() {
+		// TODO Auto-generated method stub
+		return null;
+	}
+
+}

src/my/food/DanDanMian.java

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+package my.food;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class DanDanMian implements Food {
+	List<String> ingredients = new ArrayList<String>();
+
+	/* Exercise 1: implement Constructor */
+
+	@Override
+	public List<String> getIngredients() {
+		return ingredients;
+	}
+
+	@Override
+	public String getCountryOrigin() {
+		// TODO Auto-generated method stub
+		return null;
+	}
+
+	@Override
+	public Integer getCalory() {
+		// TODO Auto-generated method stub
+		return null;
+	}
+
+}

src/my/food/Food.java

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+package my.food;
+
+import java.util.List;
+
+/**
+ * @author pteyssier
+ *
+ */
+public interface Food {
+
+	public List<String> getIngredients();
+
+	public String getCountryOrigin();
+
+	/* Exercise 4 */
+	public Integer getCalory();
+
+}

src/my/food/Pizza.java

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+package my.food;
+
+import java.util.ArrayList;
+import java.util.List;
+
+/* 
+ * Class Food sample Pizza : 
+ * do not modify! 
+ * do not feed after midnight! 
+ * */
+public class Pizza implements Food {
+
+	List<String> ingredients = new ArrayList<String>();
+
+	public Pizza() {
+	 ingredients.add("ham");
+	 ingredients.add("mozzarella");
+	 ingredients.add("tomato");
+	}
+
+	@Override
+	public List<String> getIngredients() {
+		return ingredients;
+	}
+
+	@Override
+	public String getCountryOrigin() {
+		// TODO Auto-generated method stub
+		return null;
+	}
+
+	@Override
+	public Integer getCalory() {
+		// TODO Auto-generated method stub
+		return null;
+	}
+
+}

src/my/stomach/Stomach.java

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+package my.stomach;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import com.sun.xml.internal.ws.util.StringUtils;
+
+import my.food.ChaShaoBao;
+import my.food.DanDanMian;
+import my.food.Food;
+import my.food.Pizza;
+
+public class Stomach {
+
+	List<Food> foodsInside = new ArrayList<Food>();
+
+	public Stomach() {
+		foodsInside.add(new Pizza());
+		/* Exercise 2 : add your food */
+	}
+	@Override
+	public String toString() {
+		StringBuilder sb = new StringBuilder("My stomach contains " + foodsInside.size() + " food(s):\n\n");
+		for (Food food : foodsInside) {
+			sb.append(foodsInside.indexOf(food) + 1 + ")");
+
+			/* Display the name of the food object */
+			sb.append(food.getClass().getSimpleName() + ":");
+			sb.append("\n");
+
+			/* Display the list of ingredients */
+			sb.append(food.getIngredients());
+			sb.append("\n\n");
+
+			/* Exercise 3: Display the country of origin see class Country */ 
+
+		}
+		return sb.toString();
+	}
+}