import java.io.*; public class TestFileStream{ public static void main(String []args)throws Exception{ FileInputStream fis=new FileInputStream("d:/src/TestFileStream.java"); FileOutputStream fos=new FileOutputStream("d:/src/tt.txt"); int temp; while((temp=fis.read())!=-1){ fos.write(temp); } fis.close(); fos.close(); System.out.println("复制完成ok!"); } }