BirthdayCakeCandles.java

// https://www.hackerrank.com/challenges/birthday-cake-candles/problem?isFullScreen=true&h_r=next-challenge&h_v=zen

package com.company;




import java.io.*;
        import java.math.*;
        import java.security.*;
        import java.text.*;
        import java.util.*;
        import java.util.concurrent.*;
        import java.util.function.*;
        import java.util.regex.*;
        import java.util.stream.*;
        import static java.util.stream.Collectors.joining;
        import static java.util.stream.Collectors.toList;

class Result {

    /*
     * Complete the 'birthdayCakeCandles' function below.
     *
     * The function is expected to return an INTEGER.
     * The function accepts INTEGER_ARRAY candles as parameter.
     */

    public static int birthdayCakeCandles(List<Integer> candles) {
        int count = 0;
        int max = candles.get(0);
        for (int i = 0; i < candles.size(); i++) {
            if (max < candles.get(i)) {
                max = candles.get(i);
            }
        }
        for (int j = 0; j < candles.size(); j++) {
            if (candles.get(j) == max) {
                count++;
            }
        }
        return count;

    }

}

public class BirthdayCakeCandles {
    public static void main(String[] args) throws IOException {
        BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(System.in));
        BufferedWriter bufferedWriter = new BufferedWriter(new FileWriter(System.getenv("OUTPUT_PATH")));

        int candlesCount = Integer.parseInt(bufferedReader.readLine().trim());

        List<Integer> candles = Stream.of(bufferedReader.readLine().replaceAll("\\s+$", "").split(" "))
                .map(Integer::parseInt)
                .collect(toList());

        int result = Result.birthdayCakeCandles(candles);

        bufferedWriter.write(String.valueOf(result));
        bufferedWriter.newLine();

        bufferedReader.close();
        bufferedWriter.close();
    }
}