私のコードは、.txtファイルから入力を読み取り、それを並べ替えるためにさまざまなことを行うことになっています。最初のintは長さです。私の主な問題は、なぜ不一致エラーが発生し続けるのか理解できないことです。または、「junk」ステートメントを入力すると、プログラムが終了しません。最初に.txtを投稿し、次にプログラムを投稿します。
15
Smith, John
26
Baker
Jones, Susan
15
Student
Mouse, Mickey
31
Theme park employee
Mouse, Mighty
48
Cartoon super hero
Anderson, William
35
Computer Programmer
Parker, Cindy
18
Author
McCain, John
20
Student
Armstrong, Michelle
17
Student
Thompson, Anne
29
Doctor
Li, Steve
15
Student
James, Tanya
20
Student
Moore, James
32
Teacher
Andrews, Julie
75
Actress
Obama, Michelle
46
Lawyer
Michaels, Todd
51
Student
//最後に空白行をコピーすることを忘れないでください。
プログラムはここから始まります。
import java.util.Scanner;
import java.io.*;
public class SortAndDisplayCustomerData
{
public int length; //The length of the names, ages, and occupations arrays
public String[] names;
public int[] ages;
public String[] occupations;
public int count; //The length of the studentNames and studentAges arrays
public String[] studentNames;
public int[] studentAges;
public int i, minPos, Temp2, y, minVal;
public String Temp, Temp3, temp2, minVal2;
public void getDataFromFile()
{
Scanner keyboard = new Scanner(System.in);
Scanner inputStream = null;
System.out.println("wtf");
try
{
inputStream = new Scanner(new FileInputStream("NameAgeOcc.txt"));
}
catch(FileNotFoundException error)
{
System.out.println("Unable to open input file.");
System.exit(0);
}
System.out.println("wtf2");
length=inputStream.nextInt();
//String junk = keyboard.nextLine();
System.out.println("wtf3");
names = new String[length];
ages = new int[length];
occupations = new String[length];
for(i=0;i<length;i++)
{
names[i]=inputStream.nextLine();
ages[i]=inputStream.nextInt();
occupations[i]=inputStream.nextLine();
}
inputStream.close();
}
public void displayAllFileData()
{
System.out.println("wtf3");
System.out.printf("%-25s%-8s%24s%n","Names"," Ages"," Occupations");
for(i=0;i<length;i++)
{
System.out.printf("%-25s%6d%-24s%n",names[i],ages[i],occupations[i]);
}
}
public void sortAllDataByAge()
{
for(i=0;i<length;i++)
{
minVal=ages[i];
minPos=i;
for(y=i+1;y<length;y++)
{
if(ages[y]<minVal)
{
minVal=ages[y];
minPos=y;
}
}
Temp2 = ages[minPos];
ages[minPos] = ages[i];
ages[i] = Temp2;
Temp = names[minPos];
names[minPos] = names[i];
names[i] = Temp;
Temp3 = occupations[minPos];
occupations[minPos] = occupations[i];
occupations[i] = Temp3;
}
}
public void extractStudentData()
{
count=0;
for (i=0;i<length;i++)
{
if(occupations[i].equalsIgnoreCase("student"))
count++;
}
int j=0;
studentAges = new int[count];
studentNames = new String[count];
for (i=0;i<length;i++)
{
if(occupations[i].equalsIgnoreCase("student"))
{
studentAges[j]=ages[i];
studentNames[j]=names[i];
j++;
}
}
}
public void displayStudentData()
{
System.out.printf("%n%-25s%-8s%n","Names"," Ages");
for (i=0;i<count;i++)
{
System.out.printf("%-25s%6d%n",studentNames[i],studentAges[i]);
}
}
public void sortStudentDataAlpha()
{
for(i=0;i<count;i++)
{
minVal2=studentNames[i];
minPos=i;
for(y=i+1;y<count;y++)
{
if(studentNames[y].compareToIgnoreCase(minVal2)<0)
{
minVal2=studentNames[y];
minPos=y;
}
}
Temp = studentNames[minPos];
studentNames[minPos] = studentNames[i];
studentNames[i] = Temp;
Temp2 = studentAges[minPos];
studentAges[minPos] = studentAges[i];
studentAges[i] = Temp2;
}
}
}