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java StringTokenizerµÄÓ÷¨

StringTokenizer Õâ¸öÀàÆäʵÕæÕýÏîÄ¿ÀïÃæ¿ÖźÜÉÙ»áÓðɣ¿µ«ÊÇÕâ¸öÀàÕæµÄºÜʵÓã¬ÒòΪËü¿ÉÒÔ¸ù¾Ý×Ô¼ºµÄ·½Ê½°´ÕÕÒ»¶¨µÄ¹æÔòÀ´²ð·ÖÒ»¸ö×Ö·û´®
String s = new String("The Java platform is the ideal platform for network computing");
        //ĬÈϵĹ¹Ô캯Êý£¬»áĬÈÏ¿Õ¸ñÊÇ·Ö¸ô·û
        StringTokenizer st = new StringTokenizer(s);
        //¿ÉÒÔ¸ù¾Ý×Ô¼ºµÄ¹æÔòÀ´²ð·Ö×Ö·û´®£¬Ä¿Ç°µÄ¹æÔòÊÇÒÔ“l”µ±×÷·Ö¸ô·û
        StringTokenizer st1 = new StringTokenizer(s,"l");
        //ÕâÀïtrueµÄº¬ÒåÊǽ«“l”Ò²×÷Ϊһ¸ötoken£¬¶øÈç¹û²ÎÊýÌîÈëfalseµÄ»°Ôò²»½«“l”×÷Ϊtoken
        StringTokenizer st2 = new StringTokenizer(s,"l",true);
        System.out.println( "Token Total: " + st.countTokens() );
        while(st.hasMoreElements()){
            System.out.println(st.nextElement());
        }
²»¹ýÔÚjdkÎĵµÖУ¬²¢²»ÌᳫÔÙʹÓÃStringTokenÀàÁË£¬ËüÖ»ÊÇ×÷Ϊһ¸öÒÅÁôÀà¶ø±£´æÔÚÁËjdkÖС£ÏÖÔÚÌᳫʹÓÃ
StringÀàµÄsplit·½·¨»òÕßÊÇjava.util.regex°ü¡£
ÏÂÃæ¾Í½«StringµÄsplit·½·¨Ð´ÁËÒ»µã´úÂ룺
public class aa {
    public static void main(String args[])
    {
        String s="ÎÒÕâÖ»ÊÇϲ»¶.²»andÊÇ°®";
        //ÕâÀï±ØÐëʹÓÃ\\À´Ö¸Ã÷ÎÒÃÇʹÓÓ.”À´·Ö¸î×Ö·û´®¡£Èç¹ûÐèÒª½«Ò»¸ö×Ö·û´®Óò»Í¬µÄ×Ö·û·Ö¸îµÄ»°£¬¿ÉÒÔÓÓ£ü”×÷ΪÁ¬½Ó·û
        String[] ss=s.split("\\.|and");
        int i=0;
        while(i<ss.length)
        {


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java IO

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Ip:¾ßÓÐÈ«ÇòΨһÐÔ£¬Ïà¶ÔÓÚinternet£¬IPΪÂß¼­µØÖ·£¬TCP/IPÍøÂçÖеÄÿ̨¼ÆËã»ú¶¼ÓÐΨһµÄµØÖ·--IPµØÖ·. Ψһ±êʾһ̨Ö÷»ú
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java Map ±éÀúËÙ¶È×îÓŽâ

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Map map = new HashMap();
Iterator iter = map.entrySet().iterator();
while (iter.hasNext()) {
Map.Entry entry = (Map.Entry) iter.next();
Object key = entry.getKey();
Object val = entry.getValue();
}
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Map map = new HashMap();
Iterator iter = ma ......

Java ´óСд²»Ãô¸ÐÌæ»»

public static void replaceString(String source,String oldStr,String newStr){
          System.out.println(source);
          String result = source.replaceAll("(?i)"+oldStr
, newStr); //´óСд²»Ãô ......
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