In JAVA: When I try to run my program I get this:

Exception in thread "main" java.lang.ArrayIndexOutOfBoundsException: 0

at accidents.main(accidents.java:15)

I have provided the assignment instructions in the last two photos. I do not know what is wrong with my code. Please help.

import java.util.*; import java.io.*;

public class accidents {

public static void main (String args[]) throws FileNotFoundException{

Scanner scan = new Scanner(new File(args[0]));

int counter =0; //keep track of how many integers in the file

while(scan.hasNextInt())

{

counter++;

scan.nextInt();

}

Scanner scan2 = new Scanner(new File(args[0]));

int hours,vehicles,fatals;

hours=counter/3;

vehicles=counter/3;

fatals=counter/3;

int h[] = new int[hours];

int v[] = new int[vehicles];

int f[] = new int[fatals];

for(int i=0;i

{

h[i]=scan2.nextInt();

v[i]=scan2.nextInt();

f[i]=scan2.nextInt();

}

int ma=0,aa=0,na=0,mv=0,av=0,nv=0,mf=0,af=0,nf=0;

for(int i=0;i

{

if(h[i]>=6 && h[i]

{

ma++;

mv+=v[i];

mf+=f[i];

}

else if(h[i]>=13 && h[i]

{

aa++;

av+=v[i];

af+=f[i];

}

else

{

na++;

nv+=v[i];

nf+=f[i];

}

}

System.out.println("Time Span Accidents Vehicles Fatals Vehicle/Accid");

System.out.println("---------------------------------------------------------------------------");

String s[]={"Morning","Afternoon","Night"};

String t=s[0];

double l=1,l1;

if(ma!=0)

{

l=(double)mv/ma;

System.out.println(s[0]+" "+ ma+ " \t \t "+ mv+" \t\t "+mf+" "+l);

}

else

System.out.println("No Accidents in the Morning");

System.out.println();

if(aa!=0)

{

l1=(double)av/aa;

if(l1>l)

{

t=s[1];

l=l1;

}

System.out.println(s[1]+" "+ aa+ " \t \t "+ av+" \t "+af+" "+l1);

}

else

System.out.println("No Accidents in the Afternoon");

System.out.println();

if(na!=0)

{

l1=(double)nva;

if(l1>l)

{

t=s[2];

l=l1;

}

System.out.println(s[2]+" "+ na+ " \t \t "+ nv+" \t "+nf+" "+l1);

System.out.println();

}

else

System.out.println("No Accidents in the Night");

System.out.println();

System.out.println();

System.out.println();

System.out.println("The "+t+" time has the highest vehicle to accident ratio which means more vehicles are involved in each accident in the "+t+" than any other times");

}

}

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