Hausdorff distance, calculating similar polygons

MyHausdorffDistanceImpl.java

/**
 * This method will be used to calculate the Hausdorff distance
 *
 * @param distanceMax this is the value of the maximum distance to compare
 * @param routeOne this is one of the routes to compare
 * @param routeTwo this is one of the routes to compare
 * @return returns true if the value of the maximum distance is not exceeded, false otherwise
 */    
public boolean distanceHausdorff(final int distanceMax, LinkedList<Posicion> routeOne,
                                 LinkedList<Posicion> routeTwo) {

    int maxDistAB = distanceCalc(routeOne, routeTwo);
    int maxDistBA = distanceCalc(routeTwo, routeOne);
    int maxDist = Math.max(maxDistAB, maxDistBA);

    return Math.sqrt((double)maxDist) < distanceMax;
}

/*
 * This method  is a helper to calculate the distance
 */
private int distanceCalc(final LinkedList<Posicion> a, final LinkedList<Posicion> b)
{
    int maxDistAB = 0;

    for (Posicion posicionOne : a){

        int minB = 1000000;

        for (Posicion posicionTwo : b){

            int dx = (posicionOne.getX() - posicionTwo.getX());
            int dy = (posicionOne.getY() - posicionTwo.getY());
            int tmpDist = dx*dx + dy*dy;

            if (tmpDist < minB){
                minB = tmpDist;
            }

            if ( tmpDist == 0 ){
                break; // can't be better than 0
            }
        }
        maxDistAB += minB;
    }
    return maxDistAB;
}

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// Need these imports 
import java.util.LinkedList;

// The classe Posicion is a simple POJO, for example
public class Posicion {
    private int x;
    private int y;
    
    Posicion(){
        this.x = 0;
        this.y = 0;
    }
    
    Posicion(int x, int y){
        this.x = x;
        this.y = y;
    }
    
    public int getX() {
        return x;
    }

    public void setX(int x) {
        this.x = x;
    }

    public int getY() {
        return y;
    }

    public void setY(int y) {
        this.y = y;
    }
}