étape 3

src/main/java/matrix/Coordinate.java

@@ -15,8 +15,7 @@ public record Coordinate(int x, int y) {
      * @return A new {@link Coordinate} instance.
      */
     public static Coordinate of(int x, int y) {
-        // TODO: compléter ce fabriquant
-        return null;
+        return new Coordinate(x, y);
     }
 
     /**
@@ -25,8 +24,7 @@ public record Coordinate(int x, int y) {
      * @return The left adjacent {@link Coordinate}.
      */
     public Coordinate left() {
-        // TODO: à compléter
-        return null;
+        return new Coordinate(x-1, y);
     }
 
     /**
@@ -35,8 +33,7 @@ public record Coordinate(int x, int y) {
      * @return The right adjacent {@link Coordinate}.
      */
     public Coordinate right() {
-        // TODO: à compléter
-        return null;
+        return new Coordinate(x+1, y);
     }
 
     /**
@@ -45,8 +42,7 @@ public record Coordinate(int x, int y) {
      * @return The above adjacent {@link Coordinate}.
      */
     public Coordinate above() {
-        // TODO: à compléter
-        return null;
+        return new Coordinate(x, y+1);
     }
 
     /**
@@ -55,8 +51,7 @@ public record Coordinate(int x, int y) {
      * @return The below adjacent {@link Coordinate}.
      */
     public Coordinate below() {
-        // TODO: à compléter
-        return null;
+        return new Coordinate(x, y-1);
     }
 
     /**
@@ -73,8 +68,7 @@ public record Coordinate(int x, int y) {
      * @return A list of orthogonal neighboring {@link Coordinate}s.
      */
     public List<Coordinate> orthogonalNeighbours() {
-        // TODO: à compléter
-        return List.of();
+        return List.of(left(), right(), above(), below());
     }
 
     /**
@@ -92,8 +86,11 @@ public record Coordinate(int x, int y) {
      * @return A list of diagonal neighboring {@link Coordinate}s.
      */
     public List<Coordinate> diagonalNeighbours() {
-        // TODO: à compléter
-        return List.of();
+        return List.of(
+                new Coordinate(x-1, y-1),
+                new Coordinate(x+1, y-1),
+                new Coordinate(x-1, y+1),
+                new Coordinate(x+1, y+1));
     }
 
     /**
@@ -111,8 +108,11 @@ public record Coordinate(int x, int y) {
      * @return A list of all neighboring {@link Coordinate}s.
      */
     public List<Coordinate> orthodiagonalNeighbours() {
-        // TODO: à compléter
-        return List.of();
+        return List.of(left(), right(), above(), below(),
+                new Coordinate(x-1, y-1),
+                new Coordinate(x+1, y-1),
+                new Coordinate(x-1, y+1),
+                new Coordinate(x+1, y+1));
     }
 
     @Override

src/main/java/matrix/CoordinateIterator.java

@@ -8,7 +8,10 @@ import java.util.NoSuchElementException;
  * height range.
  */
 class CoordinateIterator implements Iterator<Coordinate> {
-
+    private int width;
+    private int height;
+    private int curretentx=0;
+    private int currenty=0;
     /**
      * Creates a new {@link CoordinateIterator} with the specified width and height.
      *
@@ -16,8 +19,8 @@ class CoordinateIterator implements Iterator<Coordinate> {
      * @param height The height of the coordinate range.
      */
     public CoordinateIterator(int width, int height) {
-        // TODO: à compléter
-    }
+        this.width = width;
+        this.height = height; }
 
     /**
      * Checks if there are more {@link Coordinate}s to iterate over.
@@ -26,8 +29,7 @@ class CoordinateIterator implements Iterator<Coordinate> {
      */
     @Override
     public boolean hasNext() {
-        // TODO: à compléter
-        return false;
+        return  currenty < height;
     }
 
     /**
@@ -38,7 +40,15 @@ class CoordinateIterator implements Iterator<Coordinate> {
      */
     @Override
     public Coordinate next() {
-        // TODO: à compléter
-        return null;
+        if (!hasNext()) {
+            throw new NoSuchElementException("No more Elements");
+        }
+        Coordinate coordinates = new Coordinate(curretentx,currenty);
+        curretentx++;
+        if (curretentx >= width) {
+            curretentx=0;
+            currenty++;
+        }
+        return coordinates;
     }
 }