diff --git a/src/eva2/examples/TerminatorExample.java b/src/eva2/examples/TerminatorExample.java
index 781b9b9a..3e530742 100644
--- a/src/eva2/examples/TerminatorExample.java
+++ b/src/eva2/examples/TerminatorExample.java
@@ -11,29 +11,31 @@ import eva2.optimization.operators.terminators.PopulationMeasureTerminator.Stagn
 import eva2.optimization.problems.F1Problem;
 
 public class TerminatorExample {
-	public static void main(String[] args) {
-		F1Problem f1 = new F1Problem(); 
-		double[] sol;
-		// A combined terminator for fitness and phenotype convergence
-		CombinedTerminator convT = new CombinedTerminator(
-				// fitness-based stagnation period, absolute threshold, consider stagnation 
-				// in both direction (per dim.) or w.r.t. minimization only
-				new FitnessConvergenceTerminator(0.0001, 1000, StagnationTypeEnum.fitnessCallBased, ChangeTypeEnum.absoluteChange, DirectionTypeEnum.decrease),
-				new PhenotypeConvergenceTerminator(0.0001, 1000, StagnationTypeEnum.fitnessCallBased, ChangeTypeEnum.absoluteChange, DirectionTypeEnum.bidirectional),
-				CombinedTerminator.AND);
-		// Adding an evaluation terminator with OR to the convergence criterion
-		OptimizerFactory.setTerminator(new CombinedTerminator(
-				new EvaluationTerminator(20000),
-				convT,
-				CombinedTerminator.OR));
-		sol = OptimizerFactory.optimizeToDouble(OptimizerFactory.PSO, f1, null);
-		System.out.println(OptimizerFactory.lastEvalsPerformed() 
-				+ " evals performed. "
-				+ OptimizerFactory.terminatedBecause()
-				+ " Found solution: ");
-		for (int i=0; i<f1.getProblemDimension(); i++) {
+
+    public static void main(String[] args) {
+        F1Problem f1 = new F1Problem();
+        double[] sol;
+        // A combined terminator for fitness and phenotype convergence
+        CombinedTerminator convT = new CombinedTerminator(
+                // fitness-based stagnation period, absolute threshold, consider stagnation 
+                // in both direction (per dim.) or w.r.t. minimization only
+                new FitnessConvergenceTerminator(0.0001, 1000, StagnationTypeEnum.fitnessCallBased, ChangeTypeEnum.absoluteChange, DirectionTypeEnum.decrease),
+                new PhenotypeConvergenceTerminator(0.0001, 1000, StagnationTypeEnum.fitnessCallBased, ChangeTypeEnum.absoluteChange, DirectionTypeEnum.bidirectional),
+                CombinedTerminator.AND);
+        // Adding an evaluation terminator with OR to the convergence criterion
+        OptimizerFactory.setTerminator(new CombinedTerminator(
+                new EvaluationTerminator(20000),
+                convT,
+                CombinedTerminator.OR));
+        sol = OptimizerFactory.optimizeToDouble(OptimizerFactory.PSO, f1, null);
+        System.out.println(OptimizerFactory.lastEvalsPerformed()
+                + " evals performed. "
+                + OptimizerFactory.terminatedBecause()
+                + " Found solution: ");
+        for (int i = 0; i < f1.getProblemDimension(); i++) {
             System.out.print(sol[i] + " ");
         }
-		System.out.println();
-	};
+        System.out.println();
+    }
+;
 }
\ No newline at end of file
diff --git a/src/eva2/examples/TestingF1PSO.java b/src/eva2/examples/TestingF1PSO.java
index 31072017..58781db5 100644
--- a/src/eva2/examples/TestingF1PSO.java
+++ b/src/eva2/examples/TestingF1PSO.java
@@ -1,17 +1,19 @@
 package eva2.examples;
+
 import eva2.OptimizerFactory;
 import eva2.optimization.problems.F1Problem;
 
 public class TestingF1PSO {
-	public static void main(String[] args) {
-		F1Problem f1 = new F1Problem(); 
-		// start a PSO with a runtime of 50000 evaluations
-		OptimizerFactory.setEvaluationTerminator(50000);
-		double[] sol = OptimizerFactory.optimizeToDouble(OptimizerFactory.PSO, f1, null);
-		System.out.println(OptimizerFactory.terminatedBecause() + "\nFound solution: ");
-		for (int i=0; i<f1.getProblemDimension(); i++) {
+
+    public static void main(String[] args) {
+        F1Problem f1 = new F1Problem();
+        // start a PSO with a runtime of 50000 evaluations
+        OptimizerFactory.setEvaluationTerminator(50000);
+        double[] sol = OptimizerFactory.optimizeToDouble(OptimizerFactory.PSO, f1, null);
+        System.out.println(OptimizerFactory.terminatedBecause() + "\nFound solution: ");
+        for (int i = 0; i < f1.getProblemDimension(); i++) {
             System.out.print(sol[i] + " ");
         }
-		System.out.println();
-	};
+        System.out.println();
+    }
 }
\ No newline at end of file
diff --git a/src/eva2/examples/TestingPlusCmaEs.java b/src/eva2/examples/TestingPlusCmaEs.java
index 5bb68abd..665887cc 100644
--- a/src/eva2/examples/TestingPlusCmaEs.java
+++ b/src/eva2/examples/TestingPlusCmaEs.java
@@ -1,4 +1,5 @@
 package eva2.examples;
+
 import eva2.OptimizerFactory;
 import eva2.optimization.individuals.AbstractEAIndividual;
 import eva2.optimization.operators.crossover.CrossoverESDefault;
@@ -9,32 +10,34 @@ import eva2.optimization.strategies.EvolutionStrategies;
 import eva2.optimization.modules.GOParameters;
 
 public class TestingPlusCmaEs {
-	public static void main(String[] args) {
-		// a simple bimodal target function, two optima near (1.7,0) and (-1.44/0)
-		FM0Problem fm0 = new FM0Problem();              
-		AbstractEAIndividual bestIndy;          
-		// create standard ES parameters                
-		GOParameters esParams = OptimizerFactory.standardES(fm0);               
-		esParams.setTerminator(new EvaluationTerminator(2000));                 
-		// set a random seed based on system time               
-		esParams.setSeed(0);
 
-		// set evolutionary operators and probabilities                 
-		AbstractEAIndividual.setOperators(                              
-				fm0.getIndividualTemplate(),                            
-				new MutateESCovarianceMatrixAdaption(true), 0.9,                            
-				new CrossoverESDefault(), 0.1);         
+    public static void main(String[] args) {
+        // a simple bimodal target function, two optima near (1.7,0) and (-1.44/0)
+        FM0Problem fm0 = new FM0Problem();
+        AbstractEAIndividual bestIndy;
+        // create standard ES parameters                
+        GOParameters esParams = OptimizerFactory.standardES(fm0);
+        esParams.setTerminator(new EvaluationTerminator(2000));
+        // set a random seed based on system time               
+        esParams.setSeed(0);
 
-		// access the ES                
-		EvolutionStrategies es = (EvolutionStrategies)esParams.getOptimizer();          
-		// set a (1+5) selection strategy               
-		es.setMu(1);            
-		es.setLambda(5);                
-		es.setPlusStrategy(true);       
+        // set evolutionary operators and probabilities                 
+        AbstractEAIndividual.setOperators(
+                fm0.getIndividualTemplate(),
+                new MutateESCovarianceMatrixAdaption(true), 0.9,
+                new CrossoverESDefault(), 0.1);
 
-		// run optimization and retrieve winner individual              
-		bestIndy = (AbstractEAIndividual)OptimizerFactory.optimizeToInd(esParams, null);    
-		System.out.println(esParams.getTerminator().lastTerminationMessage() + "\nFound solution: " 
-				+ AbstractEAIndividual.getDefaultDataString(bestIndy));
-	};
+        // access the ES                
+        EvolutionStrategies es = (EvolutionStrategies) esParams.getOptimizer();
+        // set a (1+5) selection strategy               
+        es.setMu(1);
+        es.setLambda(5);
+        es.setPlusStrategy(true);
+
+        // run optimization and retrieve winner individual              
+        bestIndy = (AbstractEAIndividual) OptimizerFactory.optimizeToInd(esParams, null);
+        System.out.println(esParams.getTerminator().lastTerminationMessage() + "\nFound solution: "
+                + AbstractEAIndividual.getDefaultDataString(bestIndy));
+    }
+;
 }
\ No newline at end of file
diff --git a/src/eva2/optimization/tools/TestingDArea.java b/src/eva2/optimization/tools/TestingDArea.java
index 0e5a8351..7db4446b 100644
--- a/src/eva2/optimization/tools/TestingDArea.java
+++ b/src/eva2/optimization/tools/TestingDArea.java
@@ -1,16 +1,11 @@
 package eva2.optimization.tools;
 
-
 import eva2.tools.chart2d.*;
 import java.awt.*;
 import javax.swing.*;
 
 /**
- * Created by IntelliJ IDEA.
- * User: streiche
- * Date: 06.05.2004
- * Time: 13:17:55
- * To change this template use File | Settings | File Templates.
+ *
  */
 public class TestingDArea {
 
@@ -19,27 +14,26 @@ public class TestingDArea {
     }
 
     private void init() {
-        JFrame  frame = new JFrame("Testing DArea");
-        JPanel  panel = new JPanel();
+        JFrame frame = new JFrame("Testing DArea");
+        JPanel panel = new JPanel();
         frame.getContentPane().add(panel);
 
         DArea area = new DArea();
-    area = new DArea();
-    area.setBackground(Color.white);
-    area.setPreferredSize( new Dimension(600,500) );
-    area.setVisibleRectangle( 1, 1, 100000, 1000 );
-    area.setVisibleRectangle( 0,-3, 10, 10 );//m_PlotArea.setAutoFocus(true);
-    area.setMinRectangle(0,0,1,1);
-    ScaledBorder myBorder = new ScaledBorder();
-    myBorder.x_label = "x";//"App. " + Name + " func. calls";
-    myBorder.y_label = "y";//"fitness";
-    area.setBorder( myBorder );
-    area.setAutoGrid(true);
-    area.setGridVisible(true);
+        area.setBackground(Color.white);
+        area.setPreferredSize(new Dimension(600, 500));
+        area.setVisibleRectangle(1, 1, 100000, 1000);
+        area.setVisibleRectangle(0, -3, 10, 10);//m_PlotArea.setAutoFocus(true);
+        area.setMinRectangle(0, 0, 1, 1);
+        ScaledBorder myBorder = new ScaledBorder();
+        myBorder.x_label = "x";//"App. " + Name + " func. calls";
+        myBorder.y_label = "y";//"fitness";
+        area.setBorder(myBorder);
+        area.setAutoGrid(true);
+        area.setGridVisible(true);
         DRectangle rect = new DRectangle(1, 1, 2, 2);
         rect.setColor(Color.black);
         rect.setFillColor(Color.red);
-        DPointSet  points = new DPointSet();
+        DPointSet points = new DPointSet();
         points.addDPoint(2, 3);
         points.addDPoint(4, 5);
         area.addDElement(rect);