création des méthodes get/set/toString de la classe Instrument

src/métiers/Instrument.java

@@ -23,4 +23,41 @@ public class Instrument {
    
     }
 
+    @Override
+    public String toString() {
+        return "Instrument{" + "ref=" + ref + ", designation=" + designation + ", qteStock=" + qteStock + ", prix=" + prix + '}';
+    }
+
+    public void setRef(int ref) {
+        this.ref = ref;
+    }
+
+    public void setDesignation(String designation) {
+        this.designation = designation;
+    }
+
+    public void setQteStock(int qteStock) {
+        this.qteStock = qteStock;
+    }
+
+    public void setPrix(float prix) {
+        this.prix = prix;
+    }
+
+    public int getRef() {
+        return ref;
+    }
+
+    public String getDesignation() {
+        return designation;
+    }
+
+    public int getQteStock() {
+        return qteStock;
+    }
+
+    public float getPrix() {
+        return prix;
+    }
+
 }