ajout des premières classes java

.idea/.name

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+jul

.idea/encodings.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="Encoding" addBOMForNewFiles="with NO BOM" />
+</project>

.idea/misc.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_11" default="true" project-jdk-name="11" project-jdk-type="JavaSDK">
+    <output url="file://$PROJECT_DIR$/out" />
+  </component>
+</project>

.idea/modules.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectModuleManager">
+    <modules>
+      <module fileurl="file://$PROJECT_DIR$/jul.iml" filepath="$PROJECT_DIR$/jul.iml" />
+    </modules>
+  </component>
+</project>

.idea/vcs.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="" vcs="Git" />
+  </component>
+</project>

jul.iml

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+<?xml version="1.0" encoding="UTF-8"?>
+<module type="JAVA_MODULE" version="4">
+  <component name="NewModuleRootManager" inherit-compiler-output="true">
+    <exclude-output />
+    <content url="file://$MODULE_DIR$">
+      <sourceFolder url="file://$MODULE_DIR$/src" isTestSource="false" />
+    </content>
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+    <orderEntry type="module-library">
+      <library>
+        <CLASSES>
+          <root url="jar://$USER_HOME$/bin/weka.jar!/" />
+        </CLASSES>
+        <JAVADOC />
+        <SOURCES />
+      </library>
+    </orderEntry>
+  </component>
+</module>

src/main/Jul.java

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+package main;
+
+import weka.core.Attribute;
+import weka.core.FastVector;
+import weka.core.Instances;
+
+public class Jul {
+
+}

src/main/Weka.java

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+package main;
+
+import weka.core.Attribute;
+import weka.core.FastVector;
+import weka.core.Instances;
+
+import java.util.ArrayList;
+
+public class Weka {
+
+    public void traitement() {
+        // attributs nominaux avec leurs valeurs
+        FastVector fvLunettes = new FastVector(3);
+        fvLunettes.addElement("vue");
+        fvLunettes.addElement("soleil");
+        fvLunettes.addElement("absente");
+
+        FastVector fvMasque = new FastVector(3);
+        fvMasque.addElement("medical");
+        fvMasque.addElement("gaz");
+        fvMasque.addElement("absent");
+
+        FastVector fvCollier = new FastVector(2);
+        fvCollier.addElement("or");
+        fvCollier.addElement("absent");
+
+        FastVector fvChapeau = new FastVector(3);
+        fvChapeau.addElement("casquette");
+        fvChapeau.addElement("hdf");
+        fvChapeau.addElement("absent");
+
+
+        Attribute lunettes = new Attribute("lunettes", fvLunettes);
+        Attribute masque = new Attribute("masque", fvMasque);
+        Attribute collier = new Attribute("collier", fvCollier);
+        Attribute chapeau = new Attribute("chapeau", fvChapeau);
+
+        // attribut cible
+
+        FastVector fvCible = new FastVector(2);
+        fvCible.addElement("oui");
+        fvCible.addElement("non");
+
+        Attribute cible = new Attribute("cible", fvCible);
+
+        //vecteur des attributs
+
+        FastVector fvJulAttributes = new FastVector(5);
+        fvJulAttributes.addElement(lunettes);
+        fvJulAttributes.addElement(masque);
+        fvJulAttributes.addElement(collier);
+        fvJulAttributes.addElement(chapeau);
+        fvJulAttributes.addElement(cible);
+
+
+        // création entrainement
+        int nElem = 0;
+        Instances isTrainingSet = new Instances("Jul", fvJulAttributes, nElem);
+
+        isTrainingSet.setClassIndex(4);
+    }
+}