ITEC30 (Sir Jonel)

Question 1

Allows Java Application to display information in the command prompt / MS-DOS Prompt

Answer 1

Standard Output Object

Question 2

Standard Output Object
2 TYPES

Answer 2

System.out.print()
System.out.println()

Question 3

does not position the cursor to beginning of the next line after printing

Answer 3

System.out.print()

Question 4

position the cursor to the beginning of the next line after printing

Answer 4

System.out.println()

Question 5

Class that allows to easily display dialog box containing information

Answer 5

JOptionPane.showMessageDialog()

Question 6

to refer to the standard output device

Answer 6

System.out

Question 7

to refer to the standard input device.

Answer 7

System.in

Question 8

is not directly supported in Java

Answer 8

Console input

Question 9

to create an object to read input from System.in

Answer 9

Scanner class

Question 10

creates an object of the Scanner type.

Answer 10

Scanner(System.in)

Question 11

declares that input is a variable whose type is Scanner.

Answer 11

Scanner sc

Question 12

creates a Scanner object and assigns its reference to the variable input.

Answer 12

Scanner sc = new Scanner(System.in)

Question 13

This class is used to display simple dialog boxes to get the text input from the user.

method always returns the user’s input as a String.

Answer 13

JOptionPane.showInputDialog()

Question 14

is a static method of JOptionPane class. This method uses single parameter that specifies the prompting message that is displayed in the dialog box.

Answer 14

showInputDialog

Question 15

refers to a style of programming

Answer 15

Programming Paradigm

Question 16

2 Types of Programming Paradigm

Answer 16

Imperative Paradigm
Declarative Paradigm

Question 17

Allows splitting those instructions into procedures

Answer 17

Procedural programming (Imperative)

Question 18

is the most popular programming paradigm

Answer 18

OOP (Object Oriented Programming Paradigm)

Question 19

Key Characteristics of Object Oriented Programming

Answer 19

Class, Abstraction, Encapsulation, Inheritance, Polymorphism

Question 20

is a computer programming that organizes software design around data, or objects, rather than functions and logic

Answer 20

OOP (Object Oriented Programming)

Question 21

is a programming paradigm that relies on the concept of classes and objects

Answer 21

OOP (Object Oriented Programming)

Question 22

are user defined data types that act as the blueprint for individual objects, attributes and methods

Answer 22

Classes

Question 23

are instances of a class created with specifically deifened data

Answer 23

Objects

Question 24

are functions that are defined inside a class that describe the behaviors of an object

Answer 24

Methods

Question 25

are defined in the class template and represent the state of an object

Answer 25

Attributes

Question 26

4 Object Oriented Programming Principle

Answer 26

1. Abstraction
2. Encapsulation
3. Inheritance
4. Polymorphism

Question 27

Objects only reveal internal mechanisms that are relevant for the use of other objects, hiding any unnecessary implementation class

Answer 27

Attribute

Question 28

This principle states that all important information is contained inside an object and only select information is expposed

Answer 28

Encapsulation

Question 29

Classes can reuse code from other. Relationships and subclasses between objects can be assigned, enabling developers to reuse common logic while still maintaining a unique hierarchy

Answer 29

Inheritance

Question 30

is the ability for different objects to respond differently to the same message.

Answer 30

Polymorphism

Question 31

Popular pure OOP Language

Answer 31

Ruby, Scala, Jade and Emerald

Question 32

is credited as being the first object oriented programming language

Answer 32

Simula

Question 33

Programming languages designed primarily for OOP

Answer 33

Java, Python, C++

Question 34

Other Programming languages that pair with OOP

Answer 34

Visual Basic, ,NET PHP, JavaScript

Question 35

Benefits of Object Oriented Programming

Answer 35

1. Modularity
2. Reusability
3. Productivity
4. Easily upgradable and scalable
5. Interface descripition
6. Security
7. Flexibilty