Method main

day21/code/day21_IO2/src/cn/itcast_03/CopyFileDemo.java:21–44

(String[] args)

 */
public class CopyFileDemo {
	public static void main(String[] args) throws IOException {
		// ��װ����Դ
		FileReader fr = new FileReader("a.txt");
		// ��װĿ�ĵ�
		FileWriter fw = new FileWriter("b.txt");

		// ��д
		// ��ʽ1
		// int ch = 0;
		// while ((ch = fr.read()) != -1) {
		// fw.write(ch);
		// }

		// ��ʽ2
		char[] chs = new char[1024];
		int len = 0;
		while ((len = fr.read(chs)) != -1) {
			fw.write(chs, 0, len);
		}

		// �ͷ���Դ
		fw.close();
		fr.close();
	}
}