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public class Teacher extends Person {
public Teacher(){
super(); // 1
}
public Teacher(int a){
super(); //2
System.out.println(a); //3
}
public void func(){
System.out.print("2, ");//4
}
public static void main(String[] args){
Teacher t1 = new Teacher(); //5
Teacher t2 = new Teacher(3); //6
}
}
class Person {
public Person(){
func();//7
}
public void func(){
System.out.println("1, ");//8
}
}