2020年

英文: Why http request made with Apache HttpClient5 receives http 404 error if preemptive BASIC authen...

英文: Is there any way to change the datatype of a field when generated a table through @Entity Annota...

英文: Seeking explanation Long -> Byte Array -> String -> Byte Array -> Long 问题 右侧值错误的原因可能...

英文: Could an enum be used as a class? 问题 我正在阅读Java Oracle教程，我看到了一个枚举(enum)的示例： public enum Planet { ...

英文: Is Spring's RemoteFileTemplate.get method synchronous? 问题 Is Spring's RemoteFileTemplate.get...

英文: Storing data into ArrayList from event in ItemListener 问题 I am quite new to GUI and Swing in Jav...

英文: Why java System.out.print method have various forms? 问题 public void print(long l) { write(String...

英文: How to generate and store UUID locally on the user's phone? 问题 以下是翻译好的代码部分： 我想为用户生成一个UUID并在本...

英文: How to send notification in a specific time when the app is not running in android devices? 问题 I...

英文: Remove and get text, from comma separated string if it has # as prefix in java? 问题 You can achie...