tongji.java

实现文件的由大变小

public class tongji
{
  public static void main(String args[])
  {
     int i,b,k,t,w_sum=0,or_sum=0,sum_3=0;
     String a[]={"zhaowei","ruanjian","windows","cert","one","word","orange","down","RMB","or"}; 
     for(i=0;i<10;i++)
     {
        k=-1;
        k=a[i].indexOf((int)'w',0);
         if(k==0) w_sum++;
     }
     String sub="or"; 
     for(i=0;i<10;i++)
     {
		b=-1;
		b=a[i].indexOf("or",0);        
		if(b!=-1) or_sum++;
     }
     for(i=0;i<10;i++)
     {
		t=-1;     
		if(a[i].length()==3) sum_3++;
     }
           System.out.println("以字母w开头的单词数是:"+w_sum);//2个
           System.out.println("含or字符串的单词数是:"+or_sum);//3个
           System.out.println("长度为3的单词数是:"+sum_3);//2个
   }
 }