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java ×Ö·û´®·Ö¸î

¡ñÀûÓÃsplitº¯Êý£º String s = new String("2_8_7_4_3_9_1"); String[] arr = s.split("_"); JavaÖÐÓÃsplitº¯Êý½øÐзָî×Ö·û´®¡£ 1.Óï·¨ÈçÏ String.split(sourceStr,maxSplit) String.split(sourceStr) ²ÎÊý˵Ã÷£ºsourceStrÊDZ»·Ö¸îµÄ×Ö·û´®£¬maxSplitÊÇ×î´óµÄ·Ö¸îÊý ·µ»ØÖµËµÃ÷£ºsplitº¯ÊýµÄ·µ»ØÖµÊÇÒ»¸ö×Ö·û´®Êý×éString[] 2.ʾÀý´úÂë package wang48.jiaocheng;
public class StringSplit
{
public static void main(String[]args)
{
  String sourceStr="1,2,3,4,5";
  String[] sourceStrArray=sourceStr.split(",");
  for(int i=0;i ......

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 //¹þ¸¥Âü±àÂëµÄʵÏÖÀà
public class HffmanCoding {
private int charsAndWeight[][];// [][0]ÊÇ ×Ö·û£¬[][1]´æ·ÅµÄÊÇ×Ö·ûµÄȨֵ£¨´ÎÊý£©
private int hfmcoding[][];// ´æ·Å¹þ¸¥ÂüÊ÷
private int i = 0;// Ñ­»·±äÁ¿
private String hcs[];
public HffmanCoding(int[][] chars) {
// TODO ¹¹Ôì·½·¨
charsAndWeight = new int[chars.length][2];
charsAndWeight = chars;
hfmcoding = new int[2 * chars.length - 1][4];// Ϊ¹þ¸¥ÂüÊ÷·ÖÅä¿Õ¼ä
}
// ¹þ¸¥ÂüÊ÷µÄʵÏÖ
public void coding() {
int n = charsAndWeight.length;
if (n == 0)
return;
int m = 2 * n - 1;
// ³õʼ»¯¹þ¸¥ÂüÊ÷
for (i = 0; i < n; i++) {
hfmcoding[i][0] = charsAndWeight[i][1];// ³õʼ»¯¹þ¸¥ÂüÊ÷µÄȨֵ
hfmcoding[i][1] = 0;// ³õʼ»¯¹þ¸¥ÂüÊ÷µÄ¸ù½Úµã
hfmcoding[i][2] = 0;// ³õʼ»¯¹þ¸¥ÂüÊ÷µÄ×óº¢×Ó
hfmcoding[i][3] = 0;// ³õʼ»¯¹þ¸¥ÂüÊ÷µÄÓÒº¢×Ó
}
for (i = n; i < m; i++) {
hfmcoding[i][0] = 0;// ³õʼ»¯¹þ¸¥ÂüÊ÷µÄȨֵ
hfmcoding[i][1] = 0;// ³õʼ»¯¹þ¸¥ÂüÊ÷µÄ¸ù½Úµã
hfmcoding[i][2] = 0 ......

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