摘要:
Eclipse启动时出现错误: A Java Runtime Environment (JRE) or Java Development Kit(JDK) must be available in order to run Eclipse. No Java virtualmachine was fo 阅读全文
摘要:
Given a roman numeral, convert it to an integer. Input is guaranteed to be within the range from 1 to 3999. 关于罗马数字介绍(以下内容摘自维基百科): 罗马数字共有7个,即Ⅰ(1)、Ⅴ(5)、 阅读全文