編程技巧系列（7）java中從控制檯輸入多行數據 按回車鍵輸入空行結束

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());
    }