class PersonDemo {
private static String name;
private static int age;
static {
System.out.println(name+" "+age);
}
PersonDemo(String name) {
this.name = "name";
System.out.println(name);
}
PersonDemo(int age) {
this.age = age;
System.out.println(age);
}
public void sop() {
System.out.println(name+" "+age);
}
}
public class Person {
public static void main(String[] args) {
PersonDemo p = new PersonDemo("zhangsan");
PersonDemo p1 = new PersonDemo(4);
p.sop();
}
}
最后p.sop();输出的时候为什么name的值没有赋上，age都赋上了啊
------解决方案--------------------
因为构造方法里边写的是：this.name = "name";
赋的是字符串 “name”；而不是楼主传的参数"zhangsan"