成绩表

import java.util.Scanner;//导入

public class chengji {

public static void main(String[] args) {

int rs=0;
Scanner arr=new Scanner(System.in);//初始化扫描器

System.out.println("请输入班级人数：");

rs=arr.nextInt();//接受，等待输入，回车结束，返回字符串

double c[]=new double [rs];//rs数组长度

System.out.println("请输入成绩：");

Scanner ar=new Scanner(System.in);

double sum =0;
for (int i=0;i<c.length;i++)
{
c[i]=ar.nextDouble();//接受扫描数据

sum+=c[i];
}
System.out.println("成绩总和："+sum);

for (int j=0; j<c.length;j++)
for(int i=0;i<c.length-1-j;i++){
if(c[i]>c[i+1]){
double x=c[i];
c[i]=c[i+1];
c[i+1]=c[i];
}

}
System.out.println("输出最高成绩："+c[c.length-1]);

System.out.println("输出最低成绩："+c[0]);

System.out.println("输出平均成绩："+sum/c.length);
}

}