java 编程之【评分系统】可以计算平均成绩和最烂评委

短命女 2022-04-17 02:23 122阅读 0赞

/\*\*  
\*  
\* @author: Kevin  
\* @date :2011-07-18  
\* @function: to mark 0-10 point to Players,and the result is delete the highest  
\* and the lowest, at last reserve the average marks.  
\*/  
package com.Homework;

import java.util.Scanner;

public class MarkSystem \{

//main method  
public static void main(String\[\] args) \{

Voter voter= new Voter();  
System.out.println("The last mark is ："+voter.lastMark());  
System.out.println("The Worst Judger is No.："+voter.getWorst());  
\}

//-------------------------------------------

//create class Player  
class Voter  
\{  
private float\[\] mark =null;  
private int size = 8;

//constructor  
public Voter()  
\{  
Scanner s= new Scanner(System.in);  
System.out.println("请输入参加评审人数（3人以上）：");  
size = s.nextInt();  
mark= new float\[size\];

for (int i=0 ;i<size;i++)  
\{  
System.out.println("input the NO."+(i+1)+"Judger'mark");  
mark\[i\]=s.nextFloat();  
\}

\}  
  
public float lastMark()  
\{  
float lastMark= 0 ;  
int minIndex =this.getLowMarkIndex();  
int maxIndex =this.getHigMarkIndex();  
for (int i=0 ;i<size;i++)  
\{  
if(i!=minIndex&&i!=maxIndex)  
\{  
lastMark += mark\[i\];  
\}  
\}  
return lastMark/(size-2);  
\}  
//取得最低分的编号

public int getLowMarkIndex()  
\{  
float lowMark = mark\[0\];  
int lowIndex = 0;  
  
for (int i=0 ;i<size;i++)  
\{  
if(lowMark>mark\[i\])  
\{  
lowMark = mark\[i\];  
lowIndex = i;  
\}  
\}  
return lowIndex;  
  
\}  
//取出最高分的编号  
public int getHigMarkIndex()  
\{  
float higMark = mark\[0\];  
int higIndex = 0;  
  
for (int i=0 ;i<size;i++)  
\{  
if(higMark<mark\[i\])  
\{  
higMark = mark\[i\];  
higIndex = i;  
\}  
\}  
return higIndex;  
  
\}  
//取出最烂评委的编号

public int getWorst()  
\{float lastMark = this.lastMark();  
  
int worstIndex = 0;  
float cha =Math.abs(mark\[0\]- lastMark) ;  
float cha2=0f;  
for (int i=0 ;i<size;i++)  
\{  
cha2 = Math.abs(mark\[i\]- lastMark) ;  
if(cha<cha2)  
\{  
worstIndex= i;  
\}  
\}  
return worstIndex+1;  
\}  
\}