diff --git a/src/main/java/fr/nabil/algogenetique/Main.java b/src/main/java/fr/nabil/algogenetique/Main.java
index 743234a..6f422f0 100644
--- a/src/main/java/fr/nabil/algogenetique/Main.java
+++ b/src/main/java/fr/nabil/algogenetique/Main.java
@@ -4,6 +4,8 @@ public class Main {
 
     public static void main(String[] args) {
 
+
+
     }
 
 }
diff --git a/src/main/java/fr/nabil/algogenetique/logique/Maze.java b/src/main/java/fr/nabil/algogenetique/logique/Maze.java
new file mode 100644
index 0000000..6f597ed
--- /dev/null
+++ b/src/main/java/fr/nabil/algogenetique/logique/Maze.java
@@ -0,0 +1,69 @@
+package fr.nabil.algogenetique.logique;
+
+public class Maze implements Simulation {
+
+    private int[][] maze = {
+            {1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1},
+            {1, 0, 1, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 1},
+
+    };
+
+    private int populationSize;
+    private int iterations;
+
+    private float mutation;
+    private float crossover;
+    private float elitism;
+
+    public Maze(int populationSize, int iterations, float mutation, float crossover, float elitism) {
+        this.populationSize = populationSize;
+        this.iterations = iterations;
+        this.mutation = mutation;
+        this.crossover = crossover;
+        this.elitism = elitism;
+    }
+
+    public void evaluate() {
+
+    }
+
+    public int getPopulationSize() {
+        return populationSize;
+    }
+
+    public void setPopulationSize(int populationSize) {
+        this.populationSize = populationSize;
+    }
+
+    public int getIterations() {
+        return iterations;
+    }
+
+    public void setIterations(int iterations) {
+        this.iterations = iterations;
+    }
+
+    public float getMutation() {
+        return mutation;
+    }
+
+    public void setMutation(float mutation) {
+        this.mutation = mutation;
+    }
+
+    public float getCrossover() {
+        return crossover;
+    }
+
+    public void setCrossover(float crossover) {
+        this.crossover = crossover;
+    }
+
+    public float getElitism() {
+        return elitism;
+    }
+
+    public void setElitism(float elitism) {
+        this.elitism = elitism;
+    }
+}
diff --git a/src/main/java/fr/nabil/algogenetique/logique/Population.java b/src/main/java/fr/nabil/algogenetique/logique/Population.java
index 7f0db94..981bd64 100644
--- a/src/main/java/fr/nabil/algogenetique/logique/Population.java
+++ b/src/main/java/fr/nabil/algogenetique/logique/Population.java
@@ -6,6 +6,19 @@ public class Population {
 
     private BitSet chromosome;
 
+    public Population() {
+        this.chromosome = new BitSet();
+    }
 
+    public Population(BitSet chromosome) {
+        this.chromosome = chromosome;
+    }
 
+    public BitSet getChromosome() {
+        return chromosome;
+    }
+
+    public void setChromosome(BitSet chromosome) {
+        this.chromosome = chromosome;
+    }
 }
diff --git a/src/main/java/fr/nabil/algogenetique/logique/Simulation.java b/src/main/java/fr/nabil/algogenetique/logique/Simulation.java
new file mode 100644
index 0000000..4b7e708
--- /dev/null
+++ b/src/main/java/fr/nabil/algogenetique/logique/Simulation.java
@@ -0,0 +1,7 @@
+package fr.nabil.algogenetique.logique;
+
+public interface Simulation {
+
+    void evaluate();
+
+}