vector

package app;
/**
 *
 * @author Ihor Fedchenko
 *
 */
public class Vector {
    /**
     *
     */
    double x1;
    /**
     *
     */
    double x2;
    /**
     *
     */
    double x3;
    /**
     *
     */
    Vector() {
    x1 = 0.0;
    x2 = 0.0;
    x3 = 0.0;
    }
    /**
     *
     * @param x1
     * @param x2
     * @param x3
     */
    Vector(double x1, double x2, double x3) {
    this.x1 = x1;
    this.x2 = x2;
    this.x3 = x3;
    }

    double getX1() {
    return x1;
    }

    void setX1(double x1) {
    this.x1 = x1;
    }

    double getX2() {
    return x2;
    }

    void setX2(double x2) {
    this.x2 = x2;
    }

    double getX3() {
    return x3;
    }

    void setX3(double x3) {
    this.x3 = x3;
    }
    /**
     *
     * @param value
     * @return
     */
    Vector getVectorSum(Vector value) {
    return new Vector(this.x1 + value.getX1(), this.x2 + value.getX2(), this.x3 + value.getX3());
    }
    /**
     *
     * @param value
     * @return
     */
    double getScalarProguct(Vector value) {
    return ((this.x1 * value.getX1()) + (this.x2 * value.getX2()) + (this.x3 * value.getX3()));
    }
    /**
     *
     * @param value
     * @return
     */
    Vector get2VectorsProguct(Vector value) {
    return new Vector(this.x2 * value.getX3() - this.x3 * value.getX2(), this.x3 * value.getX1() - this.x1 * value.getX3(),
        this.x1 * value.getX2() - this.x2 * value.getX1());
    }
    /**
     *
     * @return
     */
    double getModule() {
    return Math.sqrt((this.x1*=this.x1)+(this.x2*=this.x2)+(this.x3*=this.x3));
    }

}