摘要: import java.util.regex.Matcher; import java.util.regex.Pattern; public class Test { public static void main(String[] args) { System.out.println(oper(" 12.3+213.1")); } public static float op... 阅读全文
posted @ 2014-07-24 15:39 xmc0551 阅读(227) 评论(0) 推荐(0) 编辑