Can't I use a scanner ?
package com.codegym.task.task13.task1318;
import java.util.Scanner;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
/*
Reading a file
*/
public class Solution {
public static void main(String[] args) throws IOException {
Scanner input = new Scanner(System.in);
String filepath = input.nextLine();
InputStream inStream = new FileInputStream(filepath);
while (inStream.available() > 0) {
int data = inStream.read();
System.out.print((char) data);
}
inStream.close();
input.close();
}
}