航电ACM [hdu 2026] 首字母变大写

首字母变大写

Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others)

Total Submission(s): 28304    Accepted Submission(s): 15720

Problem Description

输入一个英文句子，将每个单词的第一个字母改成大写字母。

Input

输入数据包含多个测试实例，每个测试实例是一个长度不超过100的英文句子，占一行。

Output

请输出按照要求改写后的英文句子。

Sample Input

i like acm

i want to get an accepted

Sample Output

I Like Acm

I Want To Get An Accepted

算法代码

import java.util.Scanner;

public class Main {
    
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        while (scanner.hasNext()) {
            String[] str = scanner.nextLine().split("[\\s]");
            for (int i = 0; i < str.length; i++) {
                char[] chs = str[i].toCharArray();
                System.out.print(Character.toUpperCase(chs[0]));
                for (int j = 1; j < chs.length; j++) System.out.print(chs[j]);
                System.out.printf(i < str.length - 1 ? " " : "\r\n");
            }
        }
    }

}