Analyze the following code:
```
public class Test extends A {
public static void main(String[] args) {
Test t = new Test();
t.print();
}
}
class A {
String s;
A(String s) {
this.s = s;
}
public void print() {
System.out.println(s);
}
}
```
a. The program does not compile because Test does not have a default constructor Test().
b. The program has an implicit default constructor Test(), but it cannot be compiled, because its super class does not have a default constructor. The program would compile if the constructor in the class A were removed.
c. The program would compile if a default constructor A(){ } is added to class A explicitly.
d. The program compiles, but it has a runtime error due to the conflict on the method name print.
b. The program has an implicit default constructor Test(), but it cannot be compiled, because its super class does not have a default constructor. The program would compile if the constructor in the class A were removed.
c. The program would compile if a default constructor A(){ } is added to class A explicitly.
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