JAVA ²ÊƱ³ÌÐò
import java.io.*;
public class CaiPiao {
/**
* @param args
*/
public static void main(String[] args) {
// TODO Auto-generated method stub
String str;
BufferedReader bufferReader = new BufferedReader(new InputStreamReader(System.in));
try
{
str = bufferReader.readLine();
}
catch (IOException exc)
{
System.out.println("Error read from stdin!");
return ;
}
int len = str.length();
int[] number=new int[len];
for(int i = 0; i < len; i++){
number[i]=Integer.parseInt(str.substring(i,i+1));
}
// 1234567890123
int flag = 0;
for( int i = 0; i < 13; i++ ){
if( i >= 9 ){
if( number[i] == (i - 9) ){
flag++;
}
}else if( number[i] == (i+1) ){
flag++;
}
}
if( flag == 13 ){
System.out.println("1");
}else if( flag == 12 ){
System.out.println("2");
}else if( flag == 11 ){
System.out.println("3");
}else{
System.out.println("No");
}
&nb
Ïà¹ØÎĵµ£º
1. java.lang.nullpointerexception
¡¡¡¡Õâ¸öÒì³£´ó¼Ò¿Ï¶¨¶¼¾³£Óöµ½£¬Òì³£µÄ½âÊÍÊÇ"³ÌÐòÓöÉÏÁË¿ÕÖ¸Õë"£¬¼òµ¥µØËµ¾ÍÊǵ÷ÓÃÁËδ¾³õʼ»¯µÄ¶ÔÏó»òÕßÊDz»´æÔڵĶÔÏó£¬Õâ¸ö´íÎó¾³£³öÏÖÔÚ´´½¨Í¼Æ¬£¬µ÷ÓÃÊý×éÕâЩ²Ù×÷ÖУ¬±ÈÈçͼƬδ¾³õʼ»¯£¬»òÕßͼƬ´´½¨Ê±µÄ·¾¶´íÎóµÈµÈ¡£¶ÔÊý×é²Ù×÷ÖгöÏÖ¿ÕÖ¸Õ룬ºÜ¶àÇé¿öÏÂÊÇһЩ¸Õ¿ªÊ¼Ñ§ ......
DateTimeHelper ʱ¼ä×é¼þ
/**
*
*/
package com.ibm08001.bbs.utils;
import java.text.SimpleDateFormat;
import java.util.Date;
/**
*
*/
public class DateTimeHelper {
private static SimpleDateFormat FULL_SDF = new SimpleDateFormat ......
WindowsÏÂJAVAÓõ½µÄ»·¾³±äÁ¿Ö÷ÒªÓÐ3¸ö£¬JAVA_HOME¡¢CLASSPATH¡¢PATH¡£ÏÂÃæÖð¸ö·ÖÎö¡£
JAVA_HOMEÖ¸ÏòµÄÊÇJDKµÄ°²×°Â·¾¶£¬ÈçC:\jdk1.5.0_06£¬ÔÚÕâ·¾¶ÏÂÄãÓ¦¸ÃÄܹ»ÕÒµ½bin¡¢libµÈĿ¼¡£ÖµµÃÒ»ÌáµÄÊÇ£¬JDKµÄ°²×°Â·¾¶¿ÉÒÔÑ¡ÔñÈÎÒâ´ÅÅÌĿ¼£¬²»¹ý½¨ÒéÄã·ÅµÄĿ¼²ã´Îdzһµã£¬Èç¹ûÄã·ÅµÄĿ¼ºÜÉî£ ......
Ò»¡¢Àí½â¶àÏß³Ì
¶àÏß³ÌÊÇÕâÑùÒ»ÖÖ»úÖÆ£¬ËüÔÊÐíÔÚ³ÌÐòÖв¢·¢Ö´Ðжà¸öÖ¸ÁîÁ÷£¬Ã¿¸öÖ¸ÁîÁ÷¶¼³ÆÎªÒ»¸öỊ̈߳¬±Ë´Ë¼ä»¥Ïà¶ÀÁ¢¡£Ïß³ÌÓÖ³ÆÎªÇáÁ¿¼¶½ø³Ì£¬ËüºÍ½ø³ÌÒ»ÑùÓµÓжÀÁ¢µÄÖ´ÐпØÖÆ£¬ÓɲÙ×÷ϵͳ¸ºÔðµ÷¶È£¬Çø±ðÔÚÓÚÏß³ÌûÓжÀÁ¢µÄ´æ´¢¿Õ¼ä£¬¶øÊǺÍËùÊô½ø³ÌÖÐµÄÆäËüÏ̹߳²ÏíÒ»¸ö´æ´¢¿Õ¼ä£¬ÕâʹµÃÏ̼߳äµÄ ......
Java EE 6ÖÐ×îÒýÈËעĿµÄ¸Ä½øÒªËãWeb²ãµÄչʾÁË£¬ÕýÈçÇ°ÃæÌáµ½µÄJava EE 6µÄÒ»¸öÖØÒªÄ¿±ê¾ÍÊÇÌá¸ß¿ÉÀ©Õ¹ÐÔ£¬ÔÚ¿ÉÀ©Õ¹ÐÔ·½ÃæÁ½¸ö¹Ø¼ü¸Ä½ø·Ö±ðÊÇWeb·ÖƬºÍ¿É²å°ÎÐÔ¹²Ïí¿ò¼Ü£¬ÕâÁ½¸öÐÂÌØÐÔÊÇͨ¹ýJava EE 6ÖеÄServlet 3.0¼¼ÊõÌṩµÄ¡£Servlet 3.0£¬JSR 315¹æ·¶ÊÇServlet¼¼ÊõµÄ×îа汾£¬ËüÌṩÁËÖîÈçÖ§³ÖÒì²½´¦ ......