public class A1 {
public A1() {
System.out.println("This is A");
}
public static void main(String[] args) {
A1 c1 = new C1();
}
}
class B1 extends A1{
public B1() {
System.out.println("This is B");
}
}
class C1 extends B1 {
public C1() {
System.out.println("This is C");
}
}
内容全部来源于网络收集，如有侵权，请联系网站删除：QQ号：24596024