Given the Following Code: Line 1 Public Class ClassA

question 31

Multiple Choice

Given the following code: Line 1 public class ClassA
Line 2 {
Line 3 public ClassA() {}
Line 4 public void method1(int a) {}
Line 5 }
Line 6 public class ClassB extends ClassA
Line 7 {
Line 8 public ClassB() {}
Line 9 public void method1() {}
Line 10 }
Line 11 public class ClassC extends ClassB
Line 12 {
Line 13 public ClassC() {}
Line 14 public void method1() {}
Line 15 }
Which method1 will be executed when the following statements are executed?
ClassA item1 = new ClassB() ;
Item1.method1() ;

• A) method1 on Line 4
• B) method1 on Line 9
• C) method1 on Line 14
• D) This is an error and will cause the program to crash.

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Definitions:

Pupil Diameter

The size of the opening in the center of the iris of the eye, which varies to regulate the amount of light reaching the retina.

Hyperpolarizing

Pertains to the increase in a cell's membrane potential, making it more negative.

Photoreceptor Cell

A photoreceptor cell is a type of specialized neuron found in the retina of the eye, responsible for converting light into electrical signals that can be interpreted by the brain as visual images.

Rods

Photoreceptor cells in the retina of the eye, highly sensitive to light, which enable vision in low light conditions.