问题

---People（文件夹）
------people.java（文件）
------Student（文件夹）
---------student.java（文件）

student.java

import people.*;
public class student {
   people p;
   public student(people p) {
       this.p = p; // 依赖注入。
   }
}

people.java

public class people {
   public people(people p) {
      people p = new student(p);
   }
}

上述代码中，people.java 依赖于 student.java，因此对 student.java 的更改会导致 people.java 的自动编译。

但现在 student 是否依赖于 people？
更改 people.java 是否会导致 student.java 的自动编译？

英文:

---People (folder) 
------people.java (file) 
------Student (folder)
---------student.java (file)

student.java

import people.*;
public class student {
   people p
   public student (people p) {
       this.p = p; // dependency injection.
   }
}

people.java

public class people {
   public people (people p) {
      people p = new student(p);
   }
}

The above code people.java depends on student.java, so changes in student.java cause auto-compile of people.java.

But now does student depend on people?
Will change in people.java cause auto-compile in student.java?

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Java编译依赖 – 这个文件会被重新编译吗？