Given the Following Code: Line 1 Public Class ClassA

question 38

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 method will be executed when the following statements are executed?
ClassC item1 = new ClassA() ;
Item1.method1() ;

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

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Definitions:

Series

Components in an electrical circuit are said to be in series if they are connected along a single path, so the same current flows through all of the components.

Inductive Reactance

The opposition to alternating current flow due to the inductance of a component or circuit, measured in ohms.

Reactive Power

Also called wattless power. Calculated by multiplying reactive voltage by reactive current. Can be produced by inductive or capacitive loads.

Inductive Reactance

The opposition an inductor provides to alternating current, directly proportional to the frequency of the current.