![](https://cos-cdn.shuashuati.com/pipixue-web/2020-1231-2005-12/ti_inject-812ce.png)
给出下面不完整的类代码: class Person { String name, department; int age; public Person(String n){ name=n; } public Person(String n, int a){name=n; age=a; } public Person(String n, String d, int a) { // doing the same as two arguments version of constructor // including assignment name=n,age=a department=d; } } 下面的表达式可以加到构造方法中的"doing the same as…”处的是______。