求平方根

public class Squire {
	/**
	 * 对n求根，精度为0.01
	 * @param n
	 */
	public void getSquire(double n){
		double i = 1.0;
		while(!(i*i<=n && (i+1)*(i+1)>=n)){
			i = i+1;
		}
		System.out.println(i);
		while(!(i*i<=n+0.01 && (i+0.01)*(i+0.01)>=n-0.01)){
			i = i+0.01;
		}
		System.out.println(i);
	}
	/**
	 * @param args
	 */
	public static void main(String[] args) {
		Squire quire = new Squire();
		quire.getSquire(9.0);

	}

}