public class Test88{
public static void main(String[] args){
Student A=new Student("王晓东",12);
}
}
class Student{
String name;
int age;
Student(String name){
this.name=name;
System.out.println(this.name);
}
Student(String name,int age){
this("手动阀");
this.age=age;
this.name=name;
System.out.println(this.name+this.age);
//new Student("小李");
}//这个this();不仅只能写在第一行。还不能这么连接:Student B=this("小李");
}//还不如在构造方法里直接写:new Student("小李");//好使。