/* * To change this template, choose Tools | Templates * and open the template in the editor. */package 統計字符數;import java.io.*;/** * * @author liuwei */public class wordFreq {    char wor[];    int wei[]; public static void main(String[] args){      wordFreq wf=new wordFreq();   int N=256;int k,j;   wf.wor=new char[N];   wf.wei=new int[N];   int lengMax=1000;//要統計字符數最大為1000        for( k=0;k<N;k++)wf.wei[k]=0;//先將所有可能的權值賦0   //for( k=0;k<N;k++)wf[k].wor='a';   int count=0;   String sourses;   sourses=" ";   System.out.println("輸入字符串，統計各個字符出現頻率：");   try{       BufferedReader br= new BufferedReader (new InputStreamReader(System.in));       sourses=br.readLine();   }catch(IOException e){}     int mark;   for(k=0;k<sourses.length();k++){      char temp= sourses.charAt(k);	mark=0;	for(j=1;wf.wei[j]!=0;j++)	{	   if (temp==wf.wor[j])	  {wf.wei[j]++;mark=1;break;}	}	if (mark==0)	{   count++;	  wf.wor[count]=temp;	  wf.wei[count]++;	}      }    for(k=1;k<=count;k++){       System.out.println(wf.wor[k]+"出現次數："+wf.wei[k]);  }}}