How to use spring Repository without @Id?(如何在没有@Id的情况下使用spring Repository?)

SpringData : is it possible to have subqueries in the Query annotation?(SpringData:查询注释中是否可以有子查询?)

Specifying whether or not to lazily load with Spring Data(指定是否延迟加载 Spring Data)

Query a document and all of its subdocuments that match a condition in mongodb (using spring)(在mongodb中查询一个文档及其所有匹配条件的子文档(使用spring))

Unable to find a @SpringBootConfiguration when doing a JpaTest(执行 JpaTest 时找不到 @SpringBootConfiguration)

How to initialize an array in Java?(如何在 Java 中初始化一个数组?)

When does static class initialization happen?(静态类初始化什么时候发生?)

Are fields initialized before constructor code is run in Java?(在 Java 中运行构造函数代码之前是否已初始化字段?)

Why are local variables not initialized in Java?(为什么Java中没有初始化局部变量?)

When are static variables initialized?(静态变量什么时候初始化?)

Meaning of new Class(...){{...}} initialization idiom(new Class(...){{...}} 初始化习语的含义)

What#39;s the C++ idiom equivalent to the Java static block?(与 Java 静态块等效的 C++ 习语是什么?)

Cannot instantiate the type Listlt;Productgt;(无法实例化类型 Listlt;Productgt;)

Why does the Java compiler not understand this variable is always initialized?(为什么Java编译器不理解这个变量总是被初始化?)

Java : in what order are static final fields initialized?(Java:静态最终字段的初始化顺序是什么?)

Uninitialized object leaked to another thread despite no code explicitly leaking it?(尽管没有代码明确泄漏它，但未初始化的对象泄漏到另一个线程?)

Primitives/Objects Declaration, default initialization values(Primitives/Objects 声明，默认初始化值)

How to declare an ArrayList with values?(如何用值声明一个 ArrayList?)

What are java object fields initialized with?(java 对象字段是用什么初始化的?)

Java instance variable declare and Initialize in two statements(Java 实例变量在两个语句中声明和初始化)