public class HelloWorld {

    public static void main(String[] args) {

int one =  388;

   if(one>100&&one<360);

   System.out.println("合格");

   if(one>360);

   System.out.println("优秀");

public class HelloWorld {

public static void main(String[] args) {

int one=388;
            if(one>360){
            System.out.println("优秀");
            ｝else if(one>100){

            System.out.println("合格");

        }

    }

}

应该是这样吧。。。错了别打我。。。我也刚学