javase：查找素数

public class findSuShu {
    public static void main(String[] args){
        System.out.println("100以内的素数有：");
        int counts = 0;
        for(int i = 2;i <= 100; i ++){
            boolean isSuShu = true;
            for(int j = 2;j < i;j ++){
                if(i % j == 0){
                    isSuShu = false;
                    break;
                }
            }
            if(isSuShu){
                System.out.print(i + " ");
                counts += 1;
                if(counts % 5 == 0){
                    System.out.println();
                }
            }
        }
        System.out.println("100以内的素数有" + counts + "个。");
    }
}