java求质数

public static void main(String[] args) {
    int i = 1;
    while (true){
        boolean k = false;
        for (int j = i-1 ; j >= 2; j--){
            if(i%j == 0){
                k = true;
                break;
            }
        }
        if (k){
            System.out.println(i);
        }
        i++;
    }
}