Класс прямоугольных треугольников

package triangles;
 
/**
 * A right triangle produced by two given catheti called 'legA' and 'legB'.
 * <p/>
 * Hypothenuse is calculated during construction.
 */
public class RightTriangle {
 
    private final double legA;
 
    private final double legB;
 
    private final double hypothenuse;
 
    public RightTriangle(double legA, double legB) {
        this.legA = legA;
        this.legB = legB;
        hypothenuse = Math.sqrt(Math.pow(legA, 2.0) + Math.pow(legB, 2.0));
    }
 
    public double getLegA() {
        return legA;
    }
 
    public double getLegB() {
        return legB;
    }
 
    public double getHypothenuse() {
        return hypothenuse;
    }
 
    private boolean areEqual(double a, double b, double precision) {
        return Math.abs(a - b) < precision;
    }
 
    public boolean isSimilarTo(RightTriangle other, double precision) {
        return areEqual(getLegA() / other.getLegA(), getLegB() / other.getLegB(), precision) ||
                areEqual(getLegA() / other.getLegB(), getLegB() / other.getLegA(), precision);
    }
 
    @Override
    public String toString() {
        return "RightTriangle{" + "legA=" + legA + ", legB=" + legB + ", hypothenuse=" + hypothenuse + '}';
    }
 
}

package triangles;
 
public class Launcher {
 
    public static void main(String[] args) {
        final RightTriangle a = new RightTriangle(3, 4);
        final RightTriangle b = new RightTriangle(5, 6);
        System.out.println(a.isSimilarTo(b, 0.0001));
    }
 
}