Ship Part1

src/info1/ships/Ship.java

 package info1.ships;
+import  info1.ships.*;
 
+import java.util.ArrayList;
 import java.util.List;
 
 /**
@@ -10,8 +12,9 @@ import java.util.List;
 public abstract class Ship implements IShip {
 
     private String name;
-    private String ayFront;
-    private String ayBack;
+    Coord cord1;
+    Coord cord2;
+
 
     /**
      * NB : LA SIGNATURE DU CONSTRUCTEUR DOIT ETRE RESPECTEE
@@ -27,26 +30,27 @@ public abstract class Ship implements IShip {
     public Ship(String name, String ayFront, String ayBack)
             throws BadCoordException, CoordsBadShipException {
         this.name=name;
-        this.ayBack=ayBack;
-        this.ayFront=ayFront;
+        this.cord1=new Coord(ayFront);
+        this.cord2=new Coord(ayBack);
     }
 
 
     @Override
     public List<ICoord> getCoords() {
-        return null;
+        ArrayList<ICoord> list = new ArrayList<>();
+        list.add(cord1);
+        list.add(cord2);
+        return list;
     }
 
     @Override
     public ICoord getFront() {
-        //TODO
-        return null;
+        return cord1;
     }
 
     @Override
     public ICoord getBack() {
-        // TODO
-        return null;
+        return cord2;
     }
 
     @Override
@@ -56,7 +60,16 @@ public abstract class Ship implements IShip {
 
     @Override
     public int getSize() {
-        // TODO
+        if(cord1.getY()==cord2.getY()){
+            if(cord1.getX()>cord2.getX())
+                return cord1.getX()-cord2.getX()+1;
+            return cord2.getX()-cord1.getX()+1;
+        }
+        if(cord1.getX()==cord2.getX()){
+            if(cord1.getY()>cord2.getY())
+                return cord1.getY()-cord2.getY()+1;
+            return cord2.getY()-cord1.getY()+1;
+        }
         return -1;
     }