readkeyboard.java

java练习程序

import java.io.*;
class ReadKeyBoard
{
	public static void main(String args[])
    {
		int b;
		byte buffer[]=new byte[100];
		try 
		{
			System.out.println("输入一行文本，并存入磁盘：");
			b=System.in.read(buffer); //把从键盘敲入的字符存入buffer
			FileOutputStream whritefile=new FileOutputStream("line.txt");
			whritefile.write(buffer, 0, b);// 通过流把buffer写入到文件line.txt
		}
		catch(IOException e)
		{
			System.out.println("Error ");
		}
	}
}