Tag: technology

Quizzes (307) Questions (36705)

Questions Related to technology

Multiple choice technology programming languages

You have declared a single dimensional array of type int using the following code: int [] MyInt = new int [10]; You are attempting to initialize all of the arrays segments with a for loop using the following code: for (int x = 0; x <= 10; x++) { MyInt[x] = x; } What will happen when you attempt to compile the program that contains this code?
    1. The program will run successfully with no errors or warnings.
    1. The program will halt with a runtime exception.
    1. The program will halt with a compiler error.
    1. The program will run successfully with no errors but a warning will be generated.
Reveal answer Fill a bubble to check yourself
B Correct answer
Full explanation
Multiple choice technology programming languages

The following code throws an exception. public class ContainerClass { public void draw() throws IOException { // additional code to write values to file. system.out.println("This container was drawn and saved to file."); return true; } } What code overrides this method? (Note that Exception itself is a superclass of IOException)

  1. 1 public class Cup extends ContainerClass {

  2. 2 public class Basket extends ContainerClass {

  3. 3 public class Caldron extends ContainerClass {

  4. 4 public class Bag extends ContainerClass {
Reveal answer Fill a bubble to check yourself
B Correct answer
Full explanation
Multiple choice technology programming languages

You have the following class definitions: public abstract class Vehicles { } public class Bus { } public class MyClass { public Vehicles go() { return new Bus(); } } What change would have to be made to allow this code to compile?
    1. Change public abstract class Vehicles { } to public class Vehicles { }
    1. Change public class Bus { } to public class Bus extends Vehicles { }
    1. Change public class MyClass { to private class My Class {
    1. Change public abstract class Vehicles { } to protected abstract class Vehicles { }
Reveal answer Fill a bubble to check yourself
B Correct answer
Full explanation