OOP_HomeWork1c

Main

package maricka.kolokolova;

public class Mian {

	public static void main(String[] args) {
		// TODO Auto-generated method stub
		Vector3D vctOne = new Vector3D(1, 2, 3);
		Vector3D vctTwo = new Vector3D(5.1, 6.2, 7.3);
		Vector3D vctThree = new Vector3D(8, 9.2, 12);

		System.out.println("Sum of vectors: " + vctOne.sum(vctOne, vctTwo));
		System.out.println("Scalar multiplication of vectors: " + vctOne.scalMult(vctOne, vctThree));
		System.out.println("Vectorial  multiplication of vectors: " + vctOne.vectMult(vctOne, vctThree));
	}

}

Vector3D

package maricka.kolokolova;

public class Vector3D {
	private double x;
	private double y;
	private double z;
	public Vector3D(double x, double y, double z) {
		super();
		this.x = x;
		this.y = y;
		this.z = z;
	}
	public Vector3D() {
		super();
		// TODO Auto-generated constructor stub
	}
	public double getX() {
		return x;
	}
	public void setX(double x) {
		this.x = x;
	}
	public double getY() {
		return y;
	}
	public void setY(double y) {
		this.y = y;
	}
	public double getZ() {
		return z;
	}
	public void setZ(double z) {
		this.z = z;
	}
	
	public Vector3D sum(Vector3D vct1, Vector3D vct2) {

		double rezX = vct1.x + vct2.x;
		double rezY = vct1.y + vct2.y;
		double rezZ = vct1.z + vct2.z;
		Vector3D vctR = new Vector3D(rezX, rezY, rezZ);
		return vctR;

	}

	public double scalMult(Vector3D vct1, Vector3D vct2) {
		double rez = vct1.x * vct2.x + vct1.y * vct2.y + vct1.z * vct2.z;
		return rez;

	}

	public Vector3D vectMult(Vector3D vct1, Vector3D vct2) {

		double rezX = vct1.y * vct2.z - vct1.z * vct2.y;
		double rezY = vct1.z * vct2.x - vct1.x * vct2.z;
		double rezZ = vct1.x * vct2.y - vct1.y * vct2.x;
		Vector3D vctR = new Vector3D(rezX, rezY, rezZ);
		return vctR;

	}
	
	@Override
	public String toString() {
		return "Vector3D [x=" + x + ", y=" + y + ", z=" + z + "]";
	}

	
	
}