题目1121：首字母大写

来源：互联网发布：java中的单例设计模式编辑：程序博客网时间：2024/04/28 03:07

import java.io.IOException;import java.io.FileReader;import java.io.InputStreamReader;import java.io.BufferedReader;import java.util.Scanner;class Main{public static final boolean DEBUG = false;public static final int N = 40;public static void main(String[] args) throws IOException{BufferedReader cin;String s;if (DEBUG) {cin = new BufferedReader(new FileReader("d:\\OJ\\uva_in.txt"));} else {cin = new BufferedReader(new InputStreamReader(System.in));}while ((s = cin.readLine()) != null) {StringBuffer sb = new StringBuffer(s);char ch = sb.charAt(0);if (ch >= 'a' && ch <= 'z') {sb.setCharAt(0, (char)(ch - 32));}for (int i = 1; i < sb.length(); i++) {char prev = sb.charAt(i - 1);ch = sb.charAt(i);if (prev == ' ' || prev == '\t' || prev =='\r' || prev == '\n') {if (ch >= 'a' && ch <= 'z') {sb.setCharAt(i, (char)(ch - 32));}}}System.out.println(sb.toString());}}}

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