判断素数的方法

public class Application {
	
	public static void main(String[] args) {
		
		int i, m;
		
		one:for(i = 1; i <= 100; i++) {
			for(m = 2; m <= Math.sqrt(i); m++) {
				if(i % m == 0) {
					continue one;
				}
			}
			System.out.println(i);
		}
	}

}