java

英文: How to give a username to clients in a multi-threaded chat client 问题 My Problem: 当前，我不明白如何为我的聊天客...

英文: How to set up a child entity referencing parent by only ID using a JoinTable in Spring JPA/Hiber...

英文: Filling an array of objects with another array returns memory address 问题 private Trip[] trips; p...

英文: How do I interleave these two linked lists separately? 问题 以下是翻译的内容： 我正在尝试交错两个列表，使其如下： list1初始为 {...

英文: During doing h,w with Java, an error about String range has raised 问题 public class CreditCard { ...

英文: How do I automate jprofiler to save snapshots of multiple target java programs with different ar...

英文: How to change theme attributes dynamically? 问题 在我的应用程序中，我有多个用户帐户。每个用户可以定义自己的一组颜色，例如 colorPrimary...

英文: Exception in thread "main" java.io.FileNotFoundException: (The system cannot find the ...

英文: Why do contravariant collections only allow Object instances to be retrieved? 问题 在下面的示例中，“Apple”...

英文: MainActivity not building manually after starting a new project 问题 我将Gradle从4.0.2更新到了6，应用程序构建成功后...