package com.javarush.task.task18.task1816;
/*
Английские буквы
*/
import java.io.FileInputStream;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
public class Solution {
public static void main(String[] args) throws IOException {
List <Character> mylist = new ArrayList<>();
int result=0;
FileInputStream fileInputStream = new FileInputStream(args[0]);
int i;
char symbol;
while ((i=fileInputStream.read())!=-1){
symbol=(char)i;
if (((symbol>='A')&&(symbol<='Z'))||((symbol>='a')&&(symbol<='z'))){
if (!mylist.contains(symbol)){
result++;
mylist.add(symbol);
}
}
}
fileInputStream.close();
System.out.println(result);
}
}
package com.javarush.task.task18.task1816;
/*
Английские буквы
*/
import java.io.FileInputStream;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
public class Solution {
public static void main(String[] args) throws IOException {
List <Character> mylist = new ArrayList<>();
int result=0;
FileInputStream fileInputStream = new FileInputStream(args[0]);
int i;
char symbol;
while ((i=fileInputStream.read())!=-1){
symbol=(char)i;
if (((symbol>='A')&&(symbol<='Z'))||((symbol>='a')&&(symbol<='z'))){
if (!mylist.contains(symbol)){
result++;
mylist.add(symbol);
}
}
}
fileInputStream.close();
System.out.println(result);
}
}