Which of the following lines of code involving the Java keyword super is illegal when used in a child class? Assume all variables and methods used in the lines of code below are public (and therefore...

Extracted text: Which of the following lines of code involving the Java keyword super is illegal when used in a child class? Assume all variables and methods used in the lines of code below are public (and therefore visible) and that the parent class has a default constructor. super(); O int x = super.super.getLength(); int x = super.length; %3D O int x = super.getLength();