Week 1 & 2

Question 1

What is Java?

Answer 1

• A rogramming language created by Sun Microsystem
• A platform independent language which include object-oriented programming

Question 2

Developers of java

Answer 2

James Gosling
Ed Frank
Mike Sheridan
Patrick Naughton
Chris Warth

Question 3

History of Java
(1991)

Answer 3

Java 1.0 started and was spearheaded by a group of engineers from Sun Microsystems

Question 4

Java was intended to apply on ____

Answer 4

Home entertainment controller targeted on cable television

Question 5

History of Java
(1995)

Answer 5

Synergize on popular Internet browser which is the Netscape Navigator

Question 6

What is the original name of Java

Answer 6

Oak

Question 7

History of Java
(2009-2010)

Answer 7

Oracle corporation acquired Sun Microsystems

Question 8

What is C

Answer 8

Is a procedural programming language

Question 9

What is C++

Answer 9

Is an object-oriented language

Question 10

Java adapt the ____ from C and acquire the ___ to C++

Answer 10

Procedural syntax
Object-oriented programming and syntax

Question 11

OOP stands for

Answer 11

Object-Oriented Program

Question 12

OOP composed of

Answer 12

Classes, Methods, and Objects

Question 13

What is classes

Answer 13

Common variables (attributes)

Question 14

What is methods

Answer 14

Is a set of objects (functions)

Question 15

What is object?

Answer 15

An instance of a class

Question 16

Features of Java

Answer 16

• Automatic memory allocation and automatic garbage collection
• Same in paradigm scheme in C and C++
• Object-orientated program
• Robust and secure
• Architectural neutral and portable

Question 17

What are the versions of Java

Answer 17

• Java Standard Edition (Java SE)
• Java Enterprise Edition (Java EE)
• Java Micro Edition ( Java ME)

Question 18

What is Java SE

Answer 18

This is the default java version that allows us to develop applications for desktop servers and small embedded environments such as SIM cards and smart cards

Question 19

It provides the creation of a rich user interface

Answer 19

Java SE

Question 20

These applications serve a small number of users at a time

Answer 20

Java SE

Question 21

What is Java EE

Answer 21

Oriented towards enterprise software catering to data-intensive server applications meant to have a larger number of users

Question 22

While Java SE run on servers, Java EE is

Answer 22

Tailor-fit to handle network and web applications

Question 23

What is Java ME

Answer 23

Normally mobile devices such as mobile phones and other embedded devices such as blu-ray players, TV boxes, and printers

Question 24

What is java keywords

Answer 24

These are reserved for a specific purpose so that programmer are not allowed to use them as identifiers

Question 25

What is identifier

Answer 25

These are user-defined names for methods, variables, constants, and classes

Question 26

Maximum length per identifier

Answer 26

65 535 characters

Question 27

What is variable

Answer 27

These are the names you give to computer memory locations which are used to store values in a computer program

Question 28

Kinds of java data types

Answer 28

•Primitive •Non-primitive or reference