lunzi

package org.lunzi.test.io;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;

public class TestTransForm2 {

	public static void main(String[] args) {
		//运行过程中可能出现阻塞
		/**
		 * java.lang.Object
         *   java.io.Reader
         *     java.io.InputStreamReader
         *     是字节流通向字符流的桥梁
		 */
		InputStreamReader isr = new InputStreamReader(System.in);
		BufferedReader br = new BufferedReader(isr);
		String line = null;
		try {
			while ((line = br.readLine()) != null) {
				if (line.equalsIgnoreCase("exit")) {
					break;
				}
				System.out.println(line.toUpperCase());
			}
			br.close();
		} catch (IOException e) {
			e.printStackTrace();
		}
	}

}