05 2023 档案

java给list中map中日期的排序
摘要：public static void main(String[] args) { HashMap<String,String> m = new HashMap<>(); HashMap<String,String> mm = new HashMap<>(); HashMap<String,Strin 阅读全文
posted @ 2023-05-18 21:41 zagwk 阅读(625) 评论(0) 推荐(0)
java中去除字符串String中的汉字
摘要：String str= "我very喜欢China"; String reg = "[\u4e00-\u9fa5]"; Pattern pat = Pattern.compile(reg); Matcher mat = pat.matcher(str); str = mat.replaceAll(" 阅读全文
posted @ 2023-05-12 15:58 zagwk 阅读(271) 评论(0) 推荐(0)