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自己编的小程序:
import java.util.*;
class notsure
{
private double numlist[];
public notsure(double ... list)/*此数组个数可任意.*/
{
numlist=list;
}
public double doit()
{
double result=0;
if(numlist.length!=0)
{
int sum=0;
for(double num:numlist)
sum+=num;
result=(double)sum/numlist.length;
}
return result;
}
public static void main(String[] args)
{
int GS;
Scanner scan = new Scanner (System.in);
System.out.println("请输入要求平均数的个数:");
GS=scan.nextInt();
double[] message=new double[GS];
System.out.println("请分别输入这"+GS+"数:");
for(int i=0;i
message[i]=scan.nextDouble();
System.out.println("要求的数为:");
for(int i=0;i
System.out.print(message[i]+" ");
System.out.println();
System.out.println(" 所求的平均数为:");
notsure a=new notsure(message);
double ss;
ss=a.doit();
System.out.println(ss);
}
}