JAVA
DATA STRUCTURE
WEB
VR
Database
100

What does the 'extends' keyword do?

inheritance 

100

What is the ArrayList nums if it is initially [5, 3, 1] and the following code is executed?

nums.add(6);

nums.add(0, 4);

nums.remove(1);

[4, 3, 1, 6]

100

Also knows as Hypertext Markup Language, is a set of markup codes/symbols that is made to display on the World Wide Web.

What is HTML

100

 VR uses _____coordinates systems.

XYZ

100

When you ask a database a question it is known as a ___________.

Query

200

when you have 2 methods with the same name, in the same class, but different parameters

What is over-loading in java?  

200

A data structure that points to an object of the same type as itself is known as a(n) __________ data structure.

Self-referential

200

One of the most popular programming languages used for developing websites, it is widely supported on almost all browsers.

What is JavaScript

200

This device is non- immersive and a phone is needed for this VRT to work

What is Google Cardboard

200

Each row in access shows different_____________.

Record

300

The class cannot be used to create objects

What is abstract?

300

A Queue can only store 6 data items. The Queue is sent 4 data items: Bert, Cynthia, Cedric and Albert. Where does the "Front" pointer point?

Bert

300

A collection of Web pages with a common theme or purpose!

What is a Web site?

300

This VRT is immersive and includes a virtual headset and displays 3D images

What is Oculus Rift

300

A basic unit of a database and contains data on a specific topic.

What is a table

400

Child class has same method as Parent class but uses different code  

What is Polymorphism?  

400

Which data structures can easily represent a stack?
Choose all that apply.

link list

Array

400

This term describes the way margins and padding are added to elements using CSS.

What is the box model?

400

 ____is a language used in the VR world.

Java Script

400

The subset of SQL used to select and update the data in a database.

DML

500

A user can signal the end of repetition by entering this value

What is a sentinel value  

500

Draw figure below represent the binary tree of the following values: { 25, 18, 6, 12, 30, 27, 22, 32 }


500

This block-level element has *no* semantic meaning inherent to its existence.

What is a div?

500


_____ uses the structure of HTML to create 3D elements in a VR world.

A-Frame
500

A collection of relations

What is a "relational database"?

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