Java ±éÀú Map
Map m = new HashMap();
for (Object o : map.keySet()){
map.get(o);
}
JDK1.4
Map map = new HashMap() ;
Iterator it = map.entrySet().iterator() ;
while (it.hasNext())
{
Map.Entry entry = (Map.Entry) it.next() ;
Object key = entry.getKey() ;
Object value = entry.getValue() ;
}
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public static void replaceString(String a,String b,String c){
System.out.println(a);
String result = a.replaceAll("(?i)"+b, c); //´óСд²»Ãô¸Ð
......
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¬ËüʹÀàºÍÊý¾Ý½á¹¹Äܰ´Ãû³Æ¶¯Ì¬¼ìË÷Ïà¹ØÐÅÏ¢£¬²¢ÔÊÐíÔÚÔËÐÐ× ......
JAVAÅÅÐòËã·¨£¨·ÇÔ´´£©
package Sort;
class Data {
Comparable key;
Object value;
public Data() {
}
public Data(Data data){
this.key=data.key;
this.value=data.value;
  ......
¼ÇµÃ´óѧ±ÏÒµÕÒ¹¤×÷ʱ£¬Ãæ¹Ù¾³£ÎʵľÍÊÇ˵˵“==Óëequals”µÄÇø±ð£¬ºúÂÒ´ðһͨ¡£½ñÌì¿´Ò»ÏÂÔÀí°É¡£
ʲôʱºòÐèÒªÖØÐ´equals()?
¡¡¡¡ÎÒÃÇÖªµÀÿһ¸öjavaÀà¶¼¼Ì³Ð×ÔObjectÀ࣬equals()ÊÇObjectÀàÖÐÌṩµÄ·½·¨Ö®Ò»¡£ÄÇô£¬ÈÃÎÒÃÇÏÈÀ´¿´¿´Object#equals()ÔÚJavaÖеÄÔ´úÂ룺
public boolea ......