查找字符串，找到正常，没找到死机import java.io.*;

public class e2
{
    public static void main(String[] args)      
    {
        String temp="";
        String destin;
        char c;
        int P=1,S=1,W=1;
        boolean found=false;


        try{
        FileInputStream text=new FileInputStream("text.txt");       
        
        DataInputStream  in=new DataInputStream(new BufferedInputStream(System.in));


        
        System.out.println("input word to be searched for:");
        destin=in.readLine(); 
        
        
 
        while((c=(char)text.read())!=-1)//此处有错？
        {
           switch(c)
           {
             case ' ':
             case ',':  temp="";W++;continue;
             case '.':
             case ';':
             case '?':
             case '!':  temp="";W=1;S++;continue;
             case 't':
             case 'n': temp="";W=1;S=1;P++;continue;  
             default:   temp+=c;            
           }   
           if(temp.equals(destin)) 
           {
              found=true;
              break;
           }  
        }
           text.close();
        } 
        catch(FileNotFoundException e)
        {
           System.err.println(e);
           return;
        }
        catch(IOException e)
        {
           System.err.println(e);
           return;
        }
        
        if(found)
          System.out.println(destin+" found at:"+"nParagraph:"+P+"nSentence:"+S+"nWord:"+W+"n-------------n");
        else
          System.out.println(destin+"not found"+"n-------------n");               
         
    }
} 

while((c=(char)text.read())!=(char)-1)