diff --git a/src/eva2/cli/Main.java b/src/eva2/cli/Main.java
new file mode 100644
index 00000000..682f91c6
--- /dev/null
+++ b/src/eva2/cli/Main.java
@@ -0,0 +1,81 @@
+package eva2.cli;
+
+import eva2.optimization.strategies.DifferentialEvolution;
+import eva2.util.annotation.Parameter;
+import org.apache.commons.cli.*;
+import eva2.optimization.OptimizationStateListener;
+
+import java.lang.reflect.Field;
+
+public class Main implements OptimizationStateListener {
+
+    private Options createCommandLineOptions() {
+        Options opt = new Options();
+        OptionGroup optGroup = new OptionGroup();
+        return null;
+    }
+
+    @Override
+    public void performedStop() {
+        //To change body of implemented methods use File | Settings | File Templates.
+    }
+
+    @Override
+    public void performedStart(String infoString) {
+        //To change body of implemented methods use File | Settings | File Templates.
+    }
+
+    @Override
+    public void performedRestart(String infoString) {
+        //To change body of implemented methods use File | Settings | File Templates.
+    }
+
+    @Override
+    public void updateProgress(int percent, String msg) {
+        //To change body of implemented methods use File | Settings | File Templates.
+    }
+
+    public static void printProgressBar(int percent){
+        StringBuilder bar = new StringBuilder("[");
+
+        for(int i = 0; i < 50; i++){
+            if( i < (percent/2)){
+                bar.append("=");
+            }else if( i == (percent/2)){
+                bar.append(">");
+            }else{
+                bar.append(" ");
+            }
+        }
+
+        bar.append("]   " + percent + "%     ");
+        System.out.print("\r" + bar.toString());
+    }
+
+    public static void main(String[] args) {
+
+        eva2.optimization.strategies.DifferentialEvolution de = new DifferentialEvolution();
+
+        for(Field field : de.getClass().getDeclaredFields()) {
+            Parameter p;
+            if((p = field.getAnnotation(Parameter.class)) != null) {
+                System.out.println(p.name() + " -> " + p.description());
+
+            }
+        }
+
+        /*
+        List<String> classes = GenericObjectEditor.getClassesFromClassPath("eva2.optimization.strategies.InterfaceOptimizer", null);
+        for(String classA : classes) {
+            System.out.println(classA);
+        }
+
+        List<String> problems = GenericObjectEditor.getClassesFromClassPath("eva2.optimization.problems.InterfaceOptimizationProblem", null);
+        for(String problem : problems) {
+            System.out.println(problem);
+        } */
+        for(int i = 0; i<= 100; i++) {
+            printProgressBar(i);
+        }
+    }
+}
diff --git a/src/eva2/util/annotation/Parameter.java b/src/eva2/util/annotation/Parameter.java
new file mode 100644
index 00000000..0dbc69f5
--- /dev/null
+++ b/src/eva2/util/annotation/Parameter.java
@@ -0,0 +1,11 @@
+package eva2.util.annotation;
+
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+
+@Retention(RetentionPolicy.RUNTIME)
+public @interface Parameter {
+    String name();
+
+    String description();
+}