sinat_36857875的博客

本地Windows 环境CentOS 7，Open jdk 1.8 ，启动Nacos Server报错：[root@CentOS7 bin]# sh startup.sh -m standalonewhich: no javac in (/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.262.b10-0.el7_8.x86_64//bin:/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.262.b10-0.el7_8.x86_64//jre/bin

1、根据List 获取某个字段生成ListList<String> idList = personList.stream().map(object::getId).filter(id-> id!= null && !id.isEmpty() && !"-1".equals(id)).collect(Collectors.toList());2...

百度一圈，不难发现base64编码之后的字符串具有哪些特点：字符串只可能包含A-Z，a-z，0-9，+，/，=字符字符串长度是4的倍数只会出现在字符串最后，可能没有或者一个等号或者两个等号String inputStr=&amp;amp;amp;amp;amp;amp;quot;Test Base64 string&amp;amp;amp;amp;amp;amp;quot;;String base64Pattern = &amp;amp;amp;amp;a

// 方法1 Date currentDate = new Date(); // 方法2 Calendar now = Calendar.getInstance(); // 方法3 long currentTime = System.currentTimeMillis(); ...