Tag: web technology

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Multiple choice technology web technology

What is a DiffGram?

  1. XML file containing both the original and current values for the data.

  2. XML file containing the difference between original and current data.

  3. DataSet loaded with two XML files, resulting in the difference being current.

  4. DataSet loaded with an XML file and the original values from the data source.

Reveal answer Fill a bubble to check yourself
A Correct answer
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Multiple choice technology web technology

internal class Piston {} internal class Engine { private Piston[] myPistons = new Piston[4]; public bool Ignition() { //some code } }public class Car { private Engine myEngine = new Engine(); public void Start() { //put in keys etc.. if (myEngine.Ignition()) { //some more code507 } } What concept does the above sample code demonstrate?

  1. Delegation

  2. Composition

  3. Polymorphism

  4. Inheritance

Reveal answer Fill a bubble to check yourself
B Correct answer
Full explanation