英文:
Why maven is compiling my java file even if it is in different folder inside the spring boot maven project?
问题
我有一个带有包声明的Java文件，与我的项目文件夹结构不同。我本以为当我执行`mvn clean install`时，构建会失败，但实际上构建并没有失败，我看到类文件生成在目标文件夹中，这个目标文件夹与Java文件中声明的包相对应。在我的项目中，我使用了`Java 11`和`Spring Boot 2.2`，还使用了`spring-boot-maven-plugin`。
文件：`EmployeeService.java`位于文件夹`src/main/java/com/example/employeeservice/service`中。
package com.example.service
public interface EmployeeService {
EmployeeDto createEmployee(CreateEmployeeDto createEmployeeDto);
}
当使用maven命令`mvn clean install`构建项目时，`EmployeeService.class`会生成在`/target/classes/com/example/employeeservice/service`目录中。
英文:
I have a java file with a package declaration which is not the same as my project folder structure. I was expecting build will fail when I do mvn clean install, but the build was not failed, and I see class file is generated under the package which was declared in java file inside target folder. I am using Java 11 along with Spring Boot 2.2 in my project and I am using spring-boot-maven-plugin
<p>
File: EmployeeService.java is placed inside folder src/main/java/com/example/employeeservice/service
package com.example.service
public interface EmployeeService {
EmployeeDto createEmployee(CreateEmployeeDto createEmployeeDto);
}
When project is built using maven command mvn clean install, EmployeeService.class is getting generated inside /target/classes/com/example/employeeservice/service
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