1~100的质数

/*
public class First {
    public static void main(String[] args) {
        int sum = 0;
        for (int i = 1;i<=100;i++){
            if (i%2 == 0){
                sum += i;
            }
        } System.out.println("结果是："+ sum );
    }
}
*/break结束

public class First {
    public static void main(String[] args) {
           for (int i = 1;i <= 10;i++){
               if(i==4){
                   break;//直接结束！
              }
             System.out.println("石海兵使我儿"+ i);
         }
     }
}
/*cotinue跳过

public class First {
    public static void main(String[] args) {
           for (int i = 1;i <= 10;i++){
               if(i==4){
                  continue;//跳过第四层执行下一层
                  }
               System.out.println(i + "层到了");
           }
      }
}

1~100的质数

原文：https://www.cnblogs.com/Tiam/p/14603618.html