class A{ A(String s){} A(){}}1. class B extends A{2. B(){}3. B(String s){4. super(s);5. }6. void test(){7. // insert code here8. }9. }Which of the below code can be insert at line 7 to make clean compilation ?

Java Programming Language MCQ Inheritance in Java MCQ

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class A{
      A(String s){}

      A(){}
}

1. class B extends A{
2.       B(){}
3.       B(String s){
4.             super(s);
5.       }
6.       void test(){
7.             // insert code here
8.       }
9. }

Which of the below code can be insert at line 7 to make clean compilation ?

A A a = new B();
B A a = new B(5);
C A a = new A(String s);
D All of the above
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Q: class A{ A(String s){} A(){} } 1. class B extends A{ 2. B(){} 3. B(String s){ 4. super(s); 5. } 6. void test(){ 7. // insert code here 8. } 9. } Which of the below code can be insert at line 7 to make clean compilation ?

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Q:
class A{ A(String s){} A(){} } 1. class B extends A{ 2. B(){} 3. B(String s){ 4. super(s); 5. } 6. void test(){ 7. // insert code here 8. } 9. }
Which of the below code can be insert at line 7 to make clean compilation ?