In Java 1.5 @Override tags must not be used when implementing methods from an interface.

src/eva2/server/go/individuals/IndividualWeightedFitnessComparator.java

@@ -12,12 +12,27 @@ import eva2.tools.EVAERROR;
  *
  */
 public class IndividualWeightedFitnessComparator implements Comparator<Object>, Serializable {
+	/**
+	 * Generated serial version identifier
+	 */
+	private static final long serialVersionUID = 3182129129041083881L;
+	/**
+	 * 
+	 */
 	private double [] fitWeights = null;
 	
+	/**
+	 * 
+	 * @param weights
+	 */
 	public IndividualWeightedFitnessComparator(double[] weights) {
 		setFitWeights(weights);
 	}
 	
+	/*
+	 * (non-Javadoc)
+	 * @see java.lang.Object#equals(java.lang.Object)
+	 */
 	@Override
 	public boolean equals(Object obj) {
 		if (obj instanceof IndividualWeightedFitnessComparator) {
@@ -35,6 +50,10 @@ public class IndividualWeightedFitnessComparator implements Comparator<Object>,
 		return false;
 	}
 
+	/*
+	 * (non-Javadoc)
+	 * @see java.lang.Object#hashCode()
+	 */
 	@Override
 	public int hashCode() {
 		if (fitWeights==null) return super.hashCode();
@@ -45,7 +64,10 @@ public class IndividualWeightedFitnessComparator implements Comparator<Object>,
 		return code;
 	}
 
-	@Override
+	/*
+	 * (non-Javadoc)
+	 * @see java.util.Comparator#compare(java.lang.Object, java.lang.Object)
+	 */
 	public int compare(Object o1, Object o2) {
 		double[] f1 = ((AbstractEAIndividual) o1).getFitness();
 		double[] f2 = ((AbstractEAIndividual) o2).getFitness();
@@ -58,6 +80,11 @@ public class IndividualWeightedFitnessComparator implements Comparator<Object>,
 		else return 0;
 	}
 
+	/**
+	 * 
+	 * @param f
+	 * @return
+	 */
 	private double calcScore(double[] f) {
 		if (f==null || fitWeights==null) throw new RuntimeException("Error, missing information in " + this.getClass());
 		if (f.length!=fitWeights.length) {
@@ -71,11 +98,21 @@ public class IndividualWeightedFitnessComparator implements Comparator<Object>,
 		return s;
 	}
 	
+	/**
+	 * 
+	 * @param indy
+	 * @return
+	 */
 	public double calcScore(AbstractEAIndividual indy) {
 		double[] f = indy.getFitness();
 		return calcScore(f);
 	}
 
+	/**
+	 * 
+	 * @param dim
+	 * @param v
+	 */
 	public void setAllWeights(int dim, double v) {
 		fitWeights = new double[dim];
 		for (int i = 0; i < fitWeights.length; i++) {

src/eva2/server/go/problems/AbstractMultiObjectiveOptimizationProblem.java

@@ -35,6 +35,16 @@ import eva2.tools.chart2d.DPoint;
 public abstract class AbstractMultiObjectiveOptimizationProblem extends AbstractOptimizationProblem {
 
 	
+	/**
+	 * Generated serial version identifier
+	 */
+	private static final long serialVersionUID = -6882081673229946521L;
+	
+	/**
+	 * 
+	 * @author mkron
+	 *
+	 */
 	class MultiObjectiveEvalThread extends Thread{
 		AbstractMultiObjectiveOptimizationProblem prob;
 		AbstractEAIndividual ind;
@@ -492,6 +502,10 @@ public abstract class AbstractMultiObjectiveOptimizationProblem extends Abstract
 		return ToolBox.appendArrays(result, super.getAdditionalFileStringValue(pop));
     }
     
+    /*
+     * (non-Javadoc)
+     * @see eva2.server.go.problems.AbstractOptimizationProblem#getAdditionalFileStringInfo(eva2.server.go.PopulationInterface)
+     */
     @Override
     public String[] getAdditionalFileStringInfo(PopulationInterface pop) {
     	String[] superInfo = super.getAdditionalFileStringInfo(pop);
@@ -499,12 +513,20 @@ public abstract class AbstractMultiObjectiveOptimizationProblem extends Abstract
     			"Pareto metric on the collected pareto front"}, superInfo);
     }
 
-	@Override
+    /*
+     * (non-Javadoc)
+     * @see eva2.server.go.problems.InterfaceOptimizationProblem#getStringRepresentationForProblem(eva2.server.go.strategies.InterfaceOptimizer)
+     */
 	public String getStringRepresentationForProblem(InterfaceOptimizer opt) {
 		// TODO Auto-generated method stub
 		return null;
 	}
 
+	/**
+	 * 
+	 * @param pop
+	 * @return
+	 */
 	public double calculateMetric(Population pop) {
     	if (pop==null || (pop.size()==0)) return Double.NaN;
         return this.m_Metric.calculateMetricOn(pop, this);

src/eva2/server/go/strategies/MultiObjectiveCMAES.java

@@ -15,8 +15,23 @@ import eva2.server.go.populations.SolutionSet;
 import eva2.server.go.problems.AbstractOptimizationProblem;
 import eva2.server.go.problems.InterfaceOptimizationProblem;
 
+/**
+ * 
+ * @author mkron
+ *
+ */
 public class MultiObjectiveCMAES implements InterfaceOptimizer, Serializable {
 
+	/**
+	 * Generated serial version identifier
+	 */
+	private static final long serialVersionUID = 1L;
+
+	/**
+	 * 
+	 * @author mkron
+	 *
+	 */
 	class CounterClass {
 		public CounterClass(int i) {
 			value = i;
@@ -51,15 +66,28 @@ public class MultiObjectiveCMAES implements InterfaceOptimizer, Serializable {
 	}
 
 	public void hideHideable() {
-		GenericObjectEditor.setHideProperty(this.getClass(), "population", true);
+		GenericObjectEditor
+				.setHideProperty(this.getClass(), "population", true);
 	}
 
-	 @Override
+	/*
+	 * (non-Javadoc)
+	 * 
+	 * @see
+	 * eva2.server.go.strategies.InterfaceOptimizer#SetIdentifier(java.lang.
+	 * String)
+	 */
 	public void SetIdentifier(String name) {
 		m_Identifier = name;
 	}
 
-	 @Override
+	/*
+	 * (non-Javadoc)
+	 * 
+	 * @see
+	 * eva2.server.go.strategies.InterfaceOptimizer#SetProblem(eva2.server.go
+	 * .problems.InterfaceOptimizationProblem)
+	 */
 	public void SetProblem(InterfaceOptimizationProblem problem) {
 		m_Problem = (AbstractOptimizationProblem) problem;
 	}
@@ -74,22 +102,38 @@ public class MultiObjectiveCMAES implements InterfaceOptimizer, Serializable {
 		this.m_Listener = ea;
 	}
 
-	 @Override
+	/*
+	 * (non-Javadoc)
+	 * 
+	 * @see eva2.server.go.strategies.InterfaceOptimizer#freeWilly()
+	 */
 	public void freeWilly() {
 	}
 
-	 @Override
+	/*
+	 * (non-Javadoc)
+	 * 
+	 * @see eva2.server.go.strategies.InterfaceOptimizer#getAllSolutions()
+	 */
 	public InterfaceSolutionSet getAllSolutions() {
 		Population pop = getPopulation();
 		return new SolutionSet(pop, pop);
 	}
 
-	 @Override
+	/*
+	 * (non-Javadoc)
+	 * 
+	 * @see eva2.server.go.strategies.InterfaceOptimizer#getIdentifier()
+	 */
 	public String getIdentifier() {
 		return m_Identifier;
 	}
 
-	 @Override
+	/*
+	 * (non-Javadoc)
+	 * 
+	 * @see eva2.server.go.strategies.InterfaceOptimizer#getName()
+	 */
 	public String getName() {
 		return "(1+" + m_lambda + ") MO-CMA-ES";
 	}
@@ -98,17 +142,30 @@ public class MultiObjectiveCMAES implements InterfaceOptimizer, Serializable {
 		return "A multi-objective CMA-ES variant after Igel, Hansen and Roth 2007 (EC 15(1),1-28).";
 	}
 
-	 @Override
+	/*
+	 * (non-Javadoc)
+	 * 
+	 * @see eva2.server.go.strategies.InterfaceOptimizer#getPopulation()
+	 */
 	public Population getPopulation() {
 		return m_Population;
 	}
 
-	 @Override
+	/*
+	 * (non-Javadoc)
+	 * 
+	 * @see eva2.server.go.strategies.InterfaceOptimizer#getProblem()
+	 */
 	public InterfaceOptimizationProblem getProblem() {
 		return m_Problem;
 	}
 
-	 @Override
+	/*
+	 * (non-Javadoc)
+	 * 
+	 * @see
+	 * eva2.server.go.strategies.InterfaceOptimizer#getStringRepresentation()
+	 */
 	public String getStringRepresentation() {
 		StringBuilder strB = new StringBuilder(200);
 		strB.append("(1+" + m_lambda + ") MO-CMA-ES:\nOptimization Problem: ");
@@ -118,7 +175,11 @@ public class MultiObjectiveCMAES implements InterfaceOptimizer, Serializable {
 		return strB.toString();
 	}
 
-	 @Override
+	/*
+	 * (non-Javadoc)
+	 * 
+	 * @see eva2.server.go.strategies.InterfaceOptimizer#init()
+	 */
 	public void init() {
 		// initByPopulation(m_Population, true);
 		this.m_Population.setTargetSize(m_lambdamo);
@@ -129,7 +190,13 @@ public class MultiObjectiveCMAES implements InterfaceOptimizer, Serializable {
 
 	}
 
-	 @Override
+	/*
+	 * (non-Javadoc)
+	 * 
+	 * @see
+	 * eva2.server.go.strategies.InterfaceOptimizer#initByPopulation(eva2.server
+	 * .go.populations.Population, boolean)
+	 */
 	public void initByPopulation(Population pop, boolean reset) {
 		setPopulation(pop);
 		if (reset) {
@@ -149,7 +216,11 @@ public class MultiObjectiveCMAES implements InterfaceOptimizer, Serializable {
 		this.m_Problem.evaluate(population);
 	}
 
-	 @Override
+	/*
+	 * (non-Javadoc)
+	 * 
+	 * @see eva2.server.go.strategies.InterfaceOptimizer#optimize()
+	 */
 	public void optimize() {
 
 		HashMap<Long, CounterClass> SuccessCounterMap = new HashMap<Long, CounterClass>();
@@ -281,13 +352,25 @@ public class MultiObjectiveCMAES implements InterfaceOptimizer, Serializable {
 
 	}
 
-	 @Override
+	/*
+	 * (non-Javadoc)
+	 * 
+	 * @seeeva2.server.go.strategies.InterfaceOptimizer#
+	 * removePopulationChangedEventListener
+	 * (eva2.server.go.InterfacePopulationChangedEventListener)
+	 */
 	public boolean removePopulationChangedEventListener(
 			InterfacePopulationChangedEventListener ea) {
 		return false;
 	}
 
-	 @Override
+	/*
+	 * (non-Javadoc)
+	 * 
+	 * @see
+	 * eva2.server.go.strategies.InterfaceOptimizer#setPopulation(eva2.server
+	 * .go.populations.Population)
+	 */
 	public void setPopulation(Population pop) {
 		m_Population = pop;
 		m_Population.setNotifyEvalInterval(1);
@@ -308,6 +391,7 @@ public class MultiObjectiveCMAES implements InterfaceOptimizer, Serializable {
 	public int getLambda() {
 		return m_lambda;
 	}
+
 	public void setLambda(int mLambda) {
 		m_lambda = mLambda;
 	}

src/eva2/tools/math/Mathematics.java

@@ -1274,9 +1274,7 @@ public class Mathematics {
 	 * @return
 	 */
 	public static double[] zeroes(int n) {
-		double[] result = new double[n];
-		Arrays.fill(result, 0, result.length - 1, 0.);
-		return result;
+		return makeVector(0, n);
 	}
 
 	/**
@@ -1299,8 +1297,8 @@ public class Mathematics {
 	 * @param vec
 	 */
 	public static void scale(double scale, double[] vec) {
-		for (double d : vec) {
-			d *= scale;
+		for (int i=0; i<vec.length; i++) {
+			vec[i] *= scale;
 		}
 	}
 }