2020年

英文: Best experiences to storing different types of data in an Oracle database 问题 好晚上 我目前正在开发一个Java应用...

英文: Sequential writing and reading (two threads) 问题 <b>该话题在这里继续：</b> https://codereview....

英文: Why won't my IF-ELSE-IF statement work correctly? 问题 我正试图在Java中创建一个简单的21点（Blackjack）游戏。我有一个带...

英文: Why I can't implement Comparable for both the classes where one inherits other? 问题 假设我有两个类，P...

英文: Im having a lot of trouble with randoms in Java and was wondering if someone could help? I am qu...

英文: What does this error mean? "error: incompatible types: possible lossy conversion from doubl...

英文: Are primitive types shared between threads in Java? 问题 我正在运行一个SpringBoot 2.0的Web应用，我的控制器调用我的单例类如...

英文: How to send Huawei push notification through Proxy using Java 问题 如何通过代理服务器使用Java向华为设备发送推送通知 Http...

英文: UnknownHostException: failed to resolve 'my-redis-host' after 6 queries after switching ...

英文: Shortest possible way to get "id" from JSONObject 问题 import org.json.JSONArray; import...