Create a derive class from this class called DerivedA with an integer as its member data

Create a derive class from this class called DerivedA with an integer as its member data. Write suitable constructors and method.



import java.util.Scanner;


class DerivedA extends AbstractA {


protected int a;

    public DerivedA(){
}


public DerivedA(int a) {
this.a = a;

}


public int getA() {
return a;

}
public void setA(int a) {
this.a = a;
}


public void getData() {
Scanner in = new Scanner(System.in);
System.out.println("Enter A:");
a = in.nextInt();

}


public void showData() {

System.out.println("A is:" + a);
}
public static void main(String[] args) {
AbstractA x = new DerivedA(10);
        DerivedA y = new DerivedA(20);
        x.showData();
        y.showData();
    }
}