Method distance

src/GraphServer/GraphServer.java:671–676

(int x1, int y1, int x2, int y2)

	}
	
	private double distance(int x1, int y1, int x2, int y2)
	{
		double distance = Math.sqrt((x1-x2)*(x1-x2)+(y1-y2)*(y1-y2));
		
		return distance;
	}
	
	private boolean testSoldier(Soldier soldier, List<Soldier> soldiers, int[] circles)
	{