Java中流的问题总结（实例）

package mooc;

import java.io.IOException;
/*
 * 回车汉子代表两个字节，一个字符
 */
public class stream {
	public static void main(String[] args){
		System.out.println("Hello world");
		byte[] buffer = new byte[1024];
		try {
			int len = System.in.read(buffer);
			String s = new String(buffer,0,len);
			System.out.println("读到了多少字节"+len);
			System.out.println(s);
			System.out.println("s的长度是"+s.length());
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		
	}
}
package mooc;

import java.io.IOException;
/