题解 | #单词字符#

package main

/**
 * 代码中的类名、方法名、参数名已经指定，请勿修改，直接返回方法规定的值即可
 *
 *
 * @param s string字符串
 * @return char字符型
 */
func character(s string) byte {
	charCount := make(map[rune]int)

	for _, char := range s {
		charCount[char]++
	}

	maxChar, maxCount := byte(0), 0
	for char, count := range charCount {
		if count > maxCount {
			maxChar = byte(char)
			maxCount = count
		}
	}

	return maxChar
}