Question: Consider the following superclass public class A { private String a; private int b; public A ( String a , int b ) { this.a

Consider the following superclass
public class A {
private String a;
private int b;
public A(String a, int b){
this.a = a;
this.b = b;
}
}
If we have a subclass B which extends A, which of the following are valid constructors?

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