2129. 将标题首字母大写

将标题首字母大写

• 难度: easy
• 原始链接: https://leetcode.cn/problems/capitalize-the-title
• 标签: 模拟

解法一: 模拟

go

func capitalizeTitle(title string) string {
  fields := strings.Fields(title)
  for i, field := range fields {
    if len(field) <= 2 {
      fields[i] = strings.ToLower(field)
    } else {
      fields[i] = strings.ToUpper(field[:1]) + strings.ToLower(field[1:])
    }
  }
  return strings.Join(fields, " ")
}

java

class Solution {
    public String capitalizeTitle(String title) {
        return Arrays.stream(title.split(" "))
                .map(str -> {
                    if (str.length() <= 2) {
                        return str.toLowerCase();
                    }
                    return Character.toUpperCase(str.charAt(0)) + str.substring(1).toLowerCase();
                })
                .collect(Collectors.joining(" "));
    }
}