字符流复制文本

/**
 * 字符流复制文本
 * @author breeziness
 *
 */
public class IODemo03 {

	public static void main(String[] args) {
		// TODO Auto-generated method stub
		copy("abc.txt", "abc-copy.txt");
	}

	public static void copy(String source, String dest) {

		Reader reader = null;
		Writer writer = null;
		char[] buff = new char[1024];

		try {
			reader = new FileReader(source);
			writer = new FileWriter(dest);

			while (reader.read(buff) != -1) {
				writer.write(buff);
				writer.flush();
			}
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} finally {
			try {
				if (writer != null) {
					writer.close();
				}

			} catch (IOException e) {
				// TODO Auto-generated catch block
				e.printStackTrace();
			}
			try {
				if (reader != null) {
					reader.close();
				}

			} catch (IOException e) {
				// TODO Auto-generated catch block
				e.printStackTrace();
			}

		}
	}

}