我被困在这个项目中。有人可以帮我吗？我收到以下错误：
Exception in thread "main" java.lang.StringIndexOutOfBoundsException:
String index out of range: 2
at java.lang.String.substring(Unknown Source)
at readFile.read(readFile.java:35)
at readFile.main(readFile.java:90)
我的代码：
import java.io.*;
import java.util.*;
//import java.lang.*;
public class readFile {
private Scanner x;
public String[][] a;
public String temp;
public int surahNumber;
public void openFile()
{
try{
x = new Scanner(new File("C:\\en.ahmedali.txt"));
a = new String[500][1000];
}
catch(Exception e){
System.out.println("File Not Found");
}
}
public void read()
{
int i = 1;
int j = 1;
String xy,tenToninetynie,three_digit,setsurahNumber1,setsurahNumber2,setsurahNumber3;
while(x.hasNext())
{
a[i][j] = x.nextLine();
temp = a[i][j];
//System.out.println(temp);
xy = temp.substring(1, 2);
char[] charArray = xy.toCharArray();
//System.out.println(xy);
tenToninetynie = temp.substring(2, 3);
char[] charArray1 = tenToninetynie.toCharArray();
three_digit = temp.substring(3, 4);
char[] charArray2 = three_digit.toCharArray();
setsurahNumber1 = temp.substring(0, 1);
setsurahNumber2 = temp.substring(0, 2);
setsurahNumber3 = temp.substring(0, 3);
if(charArray[0] == '|'){
surahNumber = Integer.parseInt(setsurahNumber1);
//System.out.println(surahNumber);
if(surahNumber == i+1){
i++;
j = 0;
}
}
else if(charArray1[0] == '|'){
surahNumber = Integer.parseInt(setsurahNumber2);
//System.out.println(surahNumber);
if(surahNumber == i+1){
i++;
j = 0;
}
}
else if(charArray2[0] == '|'){
surahNumber = Integer.parseInt(setsurahNumber3);
//System.out.println(surahNumber);
if(surahNumber == i+1){
//System.out.println("I See");
i++;
j = 0;
}
}
j++;
//System.out.println(j);
//break;
}
}
void write()
{
System.out.println(a[75][1]);
}
public static void main(String args[])
{
readFile y = new readFile();
y.openFile();
y.read();
y.write();
//System.out.println(y.a[75][1]);
}
}