• 寒假日报day10


    今天写的是第三个实验:统计学生信息

    没那么多就直接上代码

      1 package com.ms.firstWork
      2 
      3 import scala.collection.mutable.ArrayBuffer
      4 
      5 class Student(id: Int, gender: String, math: Int, english: Int, physics: Int) {
      6   var SiD = id
      7   var Sgender = gender
      8   var Smath = math
      9   var Senglish = english
     10   var Sphysics = physics
     11 }
     12 
     13 object thirdWork {
     14   def main(args: Array[String]): Unit = {
     15     var studentlist = new ArrayBuffer[Student]()
     16     studentlist.append(new Student(301610, "male", 80, 64, 78))
     17     studentlist.append(new Student(301611, "female", 65, 87, 58))
     18     studentlist.append(new Student(301612, "female", 44, 71, 77))
     19     studentlist.append(new Student(301613, "female", 66, 71, 91))
     20     studentlist.append(new Student(301614, "female", 70, 71, 100))
     21     studentlist.append(new Student(301615, "male", 72, 77, 72))
     22     studentlist.append(new Student(301616, "female", 73, 81, 75))
     23     studentlist.append(new Student(301617, "female", 69, 77, 75))
     24     studentlist.append(new Student(301618, "male", 73, 61, 65))
     25     studentlist.append(new Student(301619, "male", 74, 69, 68))
     26     studentlist.append(new Student(301620, "male", 76, 62, 76))
     27     studentlist.append(new Student(301621, "male", 73, 69, 91))
     28     studentlist.append(new Student(301622, "male", 55, 69, 61))
     29     studentlist.append(new Student(301623, "male", 50, 58, 75))
     30     studentlist.append(new Student(301624, "female", 63, 83, 93))
     31     studentlist.append(new Student(301625, "male", 72, 54, 100))
     32     studentlist.append(new Student(301626, "male", 76, 66, 73))
     33     studentlist.append(new Student(301627, "male", 82, 87, 79))
     34     studentlist.append(new Student(301628, "female", 62, 80, 54))
     35     studentlist.append(new Student(301629, "male", 89, 77, 72))
     36 
     37     sortsum(studentlist)
     38   }
     39   def sortsum(list: ArrayBuffer[Student]): Unit = {
     40     var count=0
     41     var mathSum = 0
     42     var mathAverage = 0
     43     var mathMin = 100
     44     var mathMax = 0
     45     var englishSum = 0
     46     var englishAverage = 0
     47     var englishMin = 100
     48     var englishMax = 0
     49     var physicsSum = 0
     50     var physicsAverage = 0
     51     var physicsMin = 100
     52     var physicsMax = 0
     53     var femaleSrudent=new ArrayBuffer[Student]()
     54     var maleSrudent=new ArrayBuffer[Student]()
     55     list.foreach(student => {
     56       count+=1
     57       if(student.Sgender.equals("female")){
     58         femaleSrudent.append(student)
     59       }else{
     60         maleSrudent.append(student)
     61       }
     62       if(student.Smath>mathMax){
     63         mathMax=student.Smath
     64       }else if(student.Smath<mathMin){
     65         mathMin=student.Smath
     66       }
     67       if(student.Senglish>englishMax){
     68         englishMax=student.Senglish
     69       }else if(student.Senglish<englishMin){
     70         englishMin=student.Senglish
     71       }
     72       if(student.Sphysics>physicsMax){
     73         physicsMax=student.Sphysics
     74       }else if(student.Sphysics<physicsMin){
     75         physicsMin=student.Sphysics
     76       }
     77       mathSum+=student.Smath
     78       englishSum+=student.Senglish
     79       physicsSum+=student.Sphysics
     80     })
     81     mathAverage=mathSum/count
     82     englishAverage=englishSum/count
     83     physicsAverage=physicsSum/count
     84     println("course		average	min	max")
     85     println("Math:		"+mathAverage+"		"+mathMin+"	"+mathMax)
     86     println("English:	"+englishAverage+"		"+englishMin+"	"+englishMax)
     87     println("Physics:	"+physicsAverage+"		"+physicsMin+"	"+physicsMax)
     88     sortmale(maleSrudent)
     89     sortfemale(femaleSrudent)
     90   }
     91   def sortmale(list: ArrayBuffer[Student]): Unit = {
     92     var count=0
     93     var mathSum = 0
     94     var mathAverage = 0
     95     var mathMin = 100
     96     var mathMax = 0
     97     var englishSum = 0
     98     var englishAverage = 0
     99     var englishMin = 100
    100     var englishMax = 0
    101     var physicsSum = 0
    102     var physicsAverage = 0
    103     var physicsMin = 100
    104     var physicsMax = 0
    105     list.foreach(student => {
    106       count+=1
    107       if(student.Smath>mathMax){
    108         mathMax=student.Smath
    109       }else if(student.Smath<mathMin){
    110         mathMin=student.Smath
    111       }
    112       if(student.Senglish>englishMax){
    113         englishMax=student.Senglish
    114       }else if(student.Senglish<englishMin){
    115         englishMin=student.Senglish
    116       }
    117       if(student.Sphysics>physicsMax){
    118         physicsMax=student.Sphysics
    119       }else if(student.Sphysics<physicsMin){
    120         physicsMin=student.Sphysics
    121       }
    122       mathSum+=student.Smath
    123       englishSum+=student.Senglish
    124       physicsSum+=student.Sphysics
    125     })
    126     mathAverage=mathSum/count
    127     englishAverage=englishSum/count
    128     physicsAverage=physicsSum/count
    129     println("course		average	min	max(males)")
    130     println("Math:		"+mathAverage+"		"+mathMin+"	"+mathMax)
    131     println("English:	"+englishAverage+"		"+englishMin+"	"+englishMax)
    132     println("Physics:	"+physicsAverage+"		"+physicsMin+"	"+physicsMax)
    133   }
    134   def sortfemale(list:ArrayBuffer[Student]): Unit = {
    135     var count=0
    136     var mathSum = 0
    137     var mathAverage = 0
    138     var mathMin = 100
    139     var mathMax = 0
    140     var englishSum = 0
    141     var englishAverage = 0
    142     var englishMin = 100
    143     var englishMax = 0
    144     var physicsSum = 0
    145     var physicsAverage = 0
    146     var physicsMin = 100
    147     var physicsMax = 0
    148     list.foreach(student => {
    149       count+=1
    150       if(student.Smath>mathMax){
    151         mathMax=student.Smath
    152       }else if(student.Smath<mathMin){
    153         mathMin=student.Smath
    154       }
    155       if(student.Senglish>englishMax){
    156         englishMax=student.Senglish
    157       }else if(student.Senglish<englishMin){
    158         englishMin=student.Senglish
    159       }
    160       if(student.Sphysics>physicsMax){
    161         physicsMax=student.Sphysics
    162       }else if(student.Sphysics<physicsMin){
    163         physicsMin=student.Sphysics
    164       }
    165       mathSum+=student.Smath
    166       englishSum+=student.Senglish
    167       physicsSum+=student.Sphysics
    168     })
    169     mathAverage=mathSum/count
    170     englishAverage=englishSum/count
    171     physicsAverage=physicsSum/count
    172     println("course		average	min	max(females)")
    173     println("Math:		"+mathAverage+"		"+mathMin+"	"+mathMax)
    174     println("English:	"+englishAverage+"		"+englishMin+"	"+englishMax)
    175     println("Physics:	"+physicsAverage+"		"+physicsMin+"	"+physicsMax)
    176   }
    177 }
    View Code

    运行截图:

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  • 原文地址:https://www.cnblogs.com/msdog/p/12257449.html
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