9)Write a java program to display the contents of a file in reverse order.
import java.io.*;
class Slip9
{
public static void main(String[] args)throws Exception
{
int ch,n=0,i=0,b;
FileInputStream fin=new FileInputStream("abc.txt");
while((ch=fin.read())!=-1)
{
n=n+1;
//System.out.println((char)ch);
}
char str[]=new char[n];
fin.close();
FileInputStream fin1=new FileInputStream("abc.txt");
while((b=fin1.read())!=-1)
{
str[i]=(char)b;
i++;
}
for(i=n-1;i>=0;i--)
{
System.out.print(str[i]);
}
fin.close();
}
}
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