?? c1.java
字號:
public class C1 extends C2{
public static void main(String[] args){
new C1();
}
public C1(){
System.out.println("c1's default constructor is invoked");
}
}
class C2 extends C3{
public C2(){
System.out.println("c2's default constructor is invoked");
}
}
class C3{
public C3(){
System.out.println("c3's default constructor is invoked");
}
}
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