以这种格式从字符串解析日期：dd / MM / yyyy [to dd / MM / yyyy]

I thinking what is the best way in Java to parse the String with this format dd/MM/yyyy [to dd/MM/yyyy]. The string with the [] are optional and dd stand for the 2 digit presentation of dates, MM is the 2 digit presentation of month and yyyy is the 4 digit presentation of year. I thinking what is the best way in Java to pars