import java.io.*;

public class TestFileOutPutStream {
    public static void main(String[] args) {
        int b = 0;
        FileInputStream in = null;
        FileOutputStream out = null;
        try {
            in = new FileInputStream("j:/TestFileOutPutStream.java");
            out = new FileOutputStream("j:/TestFileCopy.java");
            while((b=in.read())!=-1) {
                //out.write(b);
                System.out.print((char)b);
            }
            in.close();
            out.close();
        } catch(FileNotFoundException e) {
            System.out.println(" 找不到指定文件");
            System.exit(-1);
        } catch(IOException e1) {
            System.out.println("文件复制错误");
            System.exit(-1);
        }
        System.out.println("文件已复制");
        
    }
}