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JavaÉè¼ÆÄ£Ê½Ö®State(״̬ģʽ)

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package com.state;
public class KissingPrincess {
// ±ê־룬±êÖ¾ÊÇÇàÍÜ»¹ÊÇÍõ×Ó¡£
private boolean isFrog = true;
// ¸ù¾ÝisFrog½øÐв»Í¬µÄ²Ù×÷¡£
public void greet() {
if (isFrog)
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Ö÷Ì⣺ʵսjava Concurrent

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mysql connect by c++

#include <stdio.h>
#include <windows.h>
#include <mysql.h>
#define host "localhost"
#define username "root"
#define password "123"
#define database "oa"
MYSQL *conn;
int main()
{
MYSQL_RES *res_set;
MYSQL_ROW row;
unsigned int i,ret;
FILE *fp;
MYSQL_FIELD *field; ......

Java,JavaScript,JScript Çø±ð

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