testreset.java

java课件及例程有一些PPT及一些例程

import java.io.*;
public class TestReset{
    public static void main(String[] args){
    	try{
	        FileInputStream f = new FileInputStream("d:\\2.txt");
	        //f.read();
	        f.mark(2);
	        /*int c=0;
	        while((c = f.read())!=-1){
	            System.out.print((char)c);
	        }*/
	        byte[] b = new byte[2];
	        f.read(b);
	        for(int i=0;i<b.length;i++){
	            System.out.println((char)b[i]);
	        }
	        System.out.println(f.markSupported());
	        try{
	            f.reset();
	        }catch(IOException s){System.out.println(s.getMessage());}
        }catch(IOException e){}
        
    }
}