编程技巧系列（7）java中从控制台输入多行数据 按回车键输入空行结束

public static void main(String[] args)    {        StringBuilder stringbuilder = new StringBuilder();        Scanner scanner = new Scanner(System.in);        while(true)        {            String text = scanner.nextLine().trim();            if ("".equals(text))            {                break;            }            stringbuilder.append(text);        }                System.out.println(stringbuilder.toString());    }