AOC2

package aoc;

import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Paths;
import java.util.stream.Stream;

public class Day2 {

	static class Line {
		int min; int max; int ch; String pwd;
		
		public Line(String l) {
			String toks[] = l.split("-| |:");
			min = Integer.parseInt(toks[0]);
			max = Integer.parseInt(toks[1]);
			ch = toks[2].charAt(0);
			pwd = toks[4];
		}

		public boolean validate1() {
			long count = pwd.chars().filter(i -> i == ch).count();
			return count >= min && count <=max;
		}
	
		public boolean validate2() {
			return (pwd.charAt(min-1) == ch) ^ (pwd.charAt(max-1) == ch);
		}
	};
	

	public static void main(String[] args) throws IOException {
		
		var records = Files.readAllLines(Paths.get("input2.txt"))
				.stream()
				.map(Line::new)
				.toArray(Line[]::new);
		
		System.out.println(Stream.of(records).filter(s->s.validate1()).count());

		System.out.println(Stream.of(records).filter(s->s.validate2()).count());
	}

}