From e2517c6c18ddfbe6933edc95bb0d429c3b0ec66b Mon Sep 17 00:00:00 2001
From: YAGOUBI Rim <rim.saddem@univ-amu.fr>
Date: Tue, 5 Nov 2024 14:01:07 +0000
Subject: [PATCH] Update Matrix.java

---
 src/main/java/matrix/Matrix.java | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/main/java/matrix/Matrix.java b/src/main/java/matrix/Matrix.java
index 3a79773..f2c908e 100644
--- a/src/main/java/matrix/Matrix.java
+++ b/src/main/java/matrix/Matrix.java
@@ -57,7 +57,9 @@ public interface Matrix<T> extends Iterable<T> {
     this.set(coordinate.x(), coordinate.y(), newValue);
   }
 
-  Matrix<T> subMatrix(Coordinate corner, int width, int height);
+  default Matrix<T> subMatrix(Coordinate corner, int width, int height){
+    return null ;
+  }
 
 
   /**
-- 
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