diff --git a/.gitignore b/.gitignore
index 1913f73..0e031ec 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,3 +2,4 @@
 Libraries/*
 Test Libraries/*
 /nbproject/private/
+/build/
diff --git a/nbproject/project.properties b/nbproject/project.properties
index 5c94dff..56854d7 100644
--- a/nbproject/project.properties
+++ b/nbproject/project.properties
@@ -1,95 +1,95 @@
-annotation.processing.enabled=true
-annotation.processing.enabled.in.editor=false
-annotation.processing.processor.options=
-annotation.processing.processors.list=
-annotation.processing.run.all.processors=true
-annotation.processing.source.output=${build.generated.sources.dir}/ap-source-output
-build.classes.dir=${build.dir}/classes
-build.classes.excludes=**/*.java,**/*.form
-# This directory is removed when the project is cleaned:
-build.dir=build
-build.generated.dir=${build.dir}/generated
-build.generated.sources.dir=${build.dir}/generated-sources
-# Only compile against the classpath explicitly listed here:
-build.sysclasspath=ignore
-build.test.classes.dir=${build.dir}/test/classes
-build.test.results.dir=${build.dir}/test/results
-# Uncomment to specify the preferred debugger connection transport:
-#debug.transport=dt_socket
-debug.classpath=\
-    ${run.classpath}
-debug.modulepath=\
-    ${run.modulepath}
-debug.test.classpath=\
-    ${run.test.classpath}
-debug.test.modulepath=\
-    ${run.test.modulepath}
-# Files in build.classes.dir which should be excluded from distribution jar
-dist.archive.excludes=
-# This directory is removed when the project is cleaned:
-dist.dir=dist
-dist.jar=${dist.dir}/MusicAndCo.jar
-dist.javadoc.dir=${dist.dir}/javadoc
-dist.jlink.dir=${dist.dir}/jlink
-dist.jlink.output=${dist.jlink.dir}/MusicAndCo
-excludes=
-includes=**
-jar.compress=false
-javac.classpath=
-# Space-separated list of extra javac options
-javac.compilerargs=\ --enable-preview --enable-preview
-javac.deprecation=false
-javac.external.vm=true
-javac.modulepath=
-javac.processormodulepath=
-javac.processorpath=\
-    ${javac.classpath}
-javac.source=21
-javac.target=21
-javac.test.classpath=\
-    ${javac.classpath}:\
-    ${build.classes.dir}
-javac.test.modulepath=\
-    ${javac.modulepath}
-javac.test.processorpath=\
-    ${javac.test.classpath}
-javadoc.additionalparam=
-javadoc.author=false
-javadoc.encoding=${source.encoding}
-javadoc.html5=false
-javadoc.noindex=false
-javadoc.nonavbar=false
-javadoc.notree=false
-javadoc.private=false
-javadoc.splitindex=true
-javadoc.use=true
-javadoc.version=false
-javadoc.windowtitle=
-# The jlink additional root modules to resolve
-jlink.additionalmodules=
-# The jlink additional command line parameters
-jlink.additionalparam=
-jlink.launcher=true
-jlink.launcher.name=MusicAndCo
-main.class=
-manifest.file=manifest.mf
-meta.inf.dir=${src.dir}/META-INF
-mkdist.disabled=false
-platform.active=default_platform
-run.classpath=\
-    ${javac.classpath}:\
-    ${build.classes.dir}
-# Space-separated list of JVM arguments used when running the project.
-# You may also define separate properties like run-sys-prop.name=value instead of -Dname=value.
-# To set system properties for unit tests define test-sys-prop.name=value:
-run.jvmargs=\ --enable-preview
-run.modulepath=\
-    ${javac.modulepath}
-run.test.classpath=\
-    ${javac.test.classpath}:\
-    ${build.test.classes.dir}
-run.test.modulepath=\
-    ${javac.test.modulepath}
-source.encoding=UTF-8
-src.dir=src
-test.src.dir=test
+annotation.processing.enabled=true
+annotation.processing.enabled.in.editor=false
+annotation.processing.processor.options=
+annotation.processing.processors.list=
+annotation.processing.run.all.processors=true
+annotation.processing.source.output=${build.generated.sources.dir}/ap-source-output
+build.classes.dir=${build.dir}/classes
+build.classes.excludes=**/*.java,**/*.form
+# This directory is removed when the project is cleaned:
+build.dir=build
+build.generated.dir=${build.dir}/generated
+build.generated.sources.dir=${build.dir}/generated-sources
+# Only compile against the classpath explicitly listed here:
+build.sysclasspath=ignore
+build.test.classes.dir=${build.dir}/test/classes
+build.test.results.dir=${build.dir}/test/results
+# Uncomment to specify the preferred debugger connection transport:
+#debug.transport=dt_socket
+debug.classpath=\
+    ${run.classpath}
+debug.modulepath=\
+    ${run.modulepath}
+debug.test.classpath=\
+    ${run.test.classpath}
+debug.test.modulepath=\
+    ${run.test.modulepath}
+# Files in build.classes.dir which should be excluded from distribution jar
+dist.archive.excludes=
+# This directory is removed when the project is cleaned:
+dist.dir=dist
+dist.jar=${dist.dir}/MusicAndCo.jar
+dist.javadoc.dir=${dist.dir}/javadoc
+dist.jlink.dir=${dist.dir}/jlink
+dist.jlink.output=${dist.jlink.dir}/MusicAndCo
+excludes=
+includes=**
+jar.compress=false
+javac.classpath=
+# Space-separated list of extra javac options
+javac.compilerargs=\ --enable-preview --enable-preview
+javac.deprecation=false
+javac.external.vm=true
+javac.modulepath=
+javac.processormodulepath=
+javac.processorpath=\
+    ${javac.classpath}
+javac.source=21
+javac.target=21
+javac.test.classpath=\
+    ${javac.classpath}:\
+    ${build.classes.dir}
+javac.test.modulepath=\
+    ${javac.modulepath}
+javac.test.processorpath=\
+    ${javac.test.classpath}
+javadoc.additionalparam=
+javadoc.author=false
+javadoc.encoding=${source.encoding}
+javadoc.html5=false
+javadoc.noindex=false
+javadoc.nonavbar=false
+javadoc.notree=false
+javadoc.private=false
+javadoc.splitindex=true
+javadoc.use=true
+javadoc.version=false
+javadoc.windowtitle=
+# The jlink additional root modules to resolve
+jlink.additionalmodules=
+# The jlink additional command line parameters
+jlink.additionalparam=
+jlink.launcher=true
+jlink.launcher.name=MusicAndCo
+main.class=Test
+manifest.file=manifest.mf
+meta.inf.dir=${src.dir}/META-INF
+mkdist.disabled=false
+platform.active=default_platform
+run.classpath=\
+    ${javac.classpath}:\
+    ${build.classes.dir}
+# Space-separated list of JVM arguments used when running the project.
+# You may also define separate properties like run-sys-prop.name=value instead of -Dname=value.
+# To set system properties for unit tests define test-sys-prop.name=value:
+run.jvmargs=\ --enable-preview
+run.modulepath=\
+    ${javac.modulepath}
+run.test.classpath=\
+    ${javac.test.classpath}:\
+    ${build.test.classes.dir}
+run.test.modulepath=\
+    ${javac.test.modulepath}
+source.encoding=UTF-8
+src.dir=src
+test.src.dir=test
diff --git a/src/Test.java b/src/Test.java
index 279f8be..6711609 100644
--- a/src/Test.java
+++ b/src/Test.java
@@ -25,6 +25,8 @@ public class Test {
         Commande laCommande = new Commande(1,1,"12/09/2024");
         lEntreprise.ajouterCommande(laCommande);
         
+        //Ajouter à la commande une ligne de 2 instr1
+        laCommande.ajouter(instr1, 2);
     }
     
 }
diff --git a/src/métiers/Commande.java b/src/métiers/Commande.java
index 9583115..ba443f8 100644
--- a/src/métiers/Commande.java
+++ b/src/métiers/Commande.java
@@ -5,8 +5,10 @@
 
 package métiers;
 
-import java.util.Objects;
 import java.util.HashMap;
+import java.util.Map;
+import java.util.Objects;
+
 /**
  *
  * @author ilona
@@ -15,9 +17,10 @@ public class Commande {
     
 private int noCom, noVendeur;
 private String dateCom;
-private HashMap <Instrument, int> lesLignes = new HashMap(); 
 
 
+private final HashMap<Instrument, Integer> lesLignes = new HashMap<>(); 
+
 
     public Commande(int noCom, int noVendeur, String dateCom) {
         this.noCom = noCom;