added interface shape

file-exercises/src/Main.java

@@ -0,0 +1,15 @@
+//TIP To <b>Run</b> code, press <shortcut actionId="Run"/> or
+// click the <icon src="AllIcons.Actions.Execute"/> icon in the gutter.
+public class Main {
+    public static void main(String[] args) {
+        //TIP Press <shortcut actionId="ShowIntentionActions"/> with your caret at the highlighted text
+        // to see how IntelliJ IDEA suggests fixing it.
+        System.out.printf("Hello and welcome!");
+
+        for (int i = 1; i <= 5; i++) {
+            //TIP Press <shortcut actionId="Debug"/> to start debugging your code. We have set one <icon src="AllIcons.Debugger.Db_set_breakpoint"/> breakpoint
+            // for you, but you can always add more by pressing <shortcut actionId="ToggleLineBreakpoint"/>.
+            System.out.println("i = " + i);
+        }
+    }
+}

file-exercises/src/fr/epita/files/launcher/datamodel/Passenger.java

@@ -0,0 +1,32 @@
+package fr.epita.files.launcher.datamodel;
+
+public class Passenger {
+
+    private int passengerId;
+
+    private int Survived;
+
+    private int Pclass;
+
+    private String Name;
+
+    private String Sex;
+
+    private double Age;
+
+    private int siblingAndSpouces;
+
+    private int ParentAndChildren;
+
+    private String Ticket;
+
+    private Double Fare;
+
+    private String Cabin;
+
+    private  String Embarked;
+
+
+
+
+}

file-exercises/src/fr/epita/files/launcher/Main.java → file-exercises/src/fr/epita/files/launcher/launcher/Main.java

@@ -1,4 +1,4 @@
-package fr.epita.files.launcher;
+package fr.epita.files.launcher.launcher;
 
 import java.io.File;
 import java.io.IOException;

geometry/src/fr/epita/geometry/datamodel/Square.java

@@ -0,0 +1,6 @@
+package fr.epita.geometry.datamodel;
+
+public class Square {
+
+
+}

geometry/src/fr/epita/geometry/datamodel/Triangle.java

@@ -16,6 +16,8 @@ public Triangle(double height, double base, double sideA, double sideB) {
         this.sideB = sideB;
     }
 
+    double totalTriangleArea =
+
     public double calculateArea(){
         return this.base * this.height / 2;
     }