Vector

vector.java

public class Vector {
	private double x;
	private double y;
	
	public Vector (double x, double y){
		this.x = x;
		this.y = y;
	}
	
	public double getX () {
		return x;
	}
	
	public double getY () {
		return y;
	}
	
	public void setX (double newX) {
		x = newX;
	}
	
	public void setY (double newY) {
		y = newY;
	}
	
	public double getLength() {
		double length = Math.sqrt(x*x + y*y);
		return length;
	}	
}