JAVA»ñȡϵͳµ±Ç°Ê±¼ä
//µ¼Èë
import java.util.Date;
import java.text.DateFormat;
import java.text.SimpleDateFormat; Date dt=new Date();//Èç¹û²»ÐèÒª¸ñʽ,¿ÉÖ±½ÓÓÃdt,dt¾ÍÊǵ±Ç°ÏµÍ³Ê±¼ä
DateFormat df = new SimpleDateFormat("yyyy/MM/dd HH:mm:ss");//ÉèÖÃÏÔʾ¸ñʽ
String nowTime="";
nowTime= df.format(dt);//ÓÃDateFormatµÄformat()·½·¨ÔÚdtÖлñÈ¡²¢ÒÔyyyy/MM/dd HH:mm:ss¸ñʽÏÔʾ
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static String string2Unicode(String s) {
try {
StringBuffer out = new StringBuffer("");
byte[] bytes = s.getBytes("unicode");
for (int i = 2; i < bytes.length - 1; i += 2) {
out.append("u");
String str = Integer.toHexString(bytes[i + 1] & 0xff);
f ......
package com.mywebtest.common;
import java.lang.reflect.Array;
import java.lang.reflect.Constructor;
import java.lang.reflect.Field;
import java.lang.reflect.Method;
import java.lang.reflect.Modifier;
/**
* Java reflection ·Ç³£ÓÐÓã¬ËüʹÀàºÍÊý¾Ý½á¹¹ÄÜ°´Ãû³Æ¶¯Ì¬¼ìË÷Ïà¹ØÐÅÏ¢£¬²¢ÔÊÐíÔÚÔËÐÐ× ......
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¡¡¡¡2¡¢ ½¨Á¢ÁË¿Í»§¶ËͨѶSocketºó¡£¾Í¿ÉÒÔʹÓÃSocketµÄ·½·¨getInputStream()ºÍgetOutputStream() ......
1>CollectionµÄÓ÷¨£º
import java.util.*;
public class List1
{
public static void main(String []args)
{
String a="A";
String b="B";
String c="C";
Collection<String>list = new ArrayList<String>();
list.add ......
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×ܵÄÀ´Ëµ£¬JavaÖеļ¯ºÏ£¨Collection£©ÓÐÁ½À࣬һÀàÊÇList£¬ÔÙÓÐÒ»ÀàÊÇSet¡£
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