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package com.gmail.vhrushyn;

public class Vector {

	private double x;
	private double y;
	private double z;

	public Vector(double x, double y, double z) {
		super();
		this.x = x;
		this.y = y;
		this.z = z;
	}

	public Vector() {
		super();
	}

	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;
	}

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

	public Vector summVector(Vector b) {
		Vector c = new Vector(this.x + b.x, this.y + b.y, this.z + b.z);
		return c;
	}

	public double scalMultVector(Vector b) {
		double c = this.x * b.x + this.y * b.y + this.z * b.z;
		return c;
	}

	public Vector vectMultVector(Vector b) {
		Vector c = new Vector(this.y * b.z - this.z * b.y, this.z * b.x - this.x * b.z, 
				this.x * b.y - this.y * b.x);
		return c;
	}

}

package com.gmail.vhrushyn;

public class Main {

	public static void main(String[] args) {

		Vector a = new Vector(5, 7, 2);
		Vector b = new Vector(2, 5, 8);
		
		System.out.println("summ of 'a' "+a+" and 'b' "+b+" is 'c' "+a.summVector(b));
		System.out.println("scalar multiplication of 'a' "+a+" and 'b' "+b+" is "+a.scalMultVector(b));
		System.out.println("vector multiplication of 'a' "+a+" and 'b' "+b+" is 'c' "+a.vectMultVector(b));

	}

}