java中获取用户输入字符,并将字符大写后显示

/*
   java 获取输入,大写在显示
    @author:luowen
    @time:2013-10-23
*/
import java.io.*;

class GetParam
{
	public static void main(String[] args)
	{
		InputStreamReader isr = null;
		BufferedReader br = null;
		try
		{
			InputStream in = System.in;

			 isr = new InputStreamReader(in);

			 br = new BufferedReader(isr);

			String line = null;

			while((line = br.readLine()) != null)
			{
				if(line.equals("over"))
								break;
				System.out.println(line.toUpperCase());
			}

		}
		catch(IOException e)
		{
			System.out.println(e.toString());
		}
		finally
		{
			try
			{
				br.close();
			}
			catch(IOException e)
			{
				System.out.println(e.toString());
			}

		}

	}
}