INTRODUCTION

Question 1

deals about creating objects that contain
both data and functions.

Answer 1

Object-Oriented Programming

Question 2

popular programming language

Answer 2

Java

Question 3

Who owned Java?

Answer 3

Oracle

Question 4

When is Java created?

Answer 4

1995

Question 5

Java requires a __

Answer 5

main function

Question 6

Java is enclosed in a __

Answer 6

class

Question 7

The main function or in Java parlance, the main method,

Answer 7

accepts an array
of arguments.

Question 8

print a line on java console

Answer 8

System.out.println

Question 9

strongly-typed programming language, which means that you cannot put or assign or store different types of data together.

Answer 9

Java

Question 10

Characters, including nonprintable.

Answer 10

char

Question 11

True or False

Answer 11

boolean

Question 12

Network packets

Answer 12

byte

Question 13

Whole numbers

Answer 13

int

Question 14

Smaller than int

Answer 14

short

Question 15

Larger than int

Answer 15

long

Question 16

Numbers with floating points.

Answer 16

float

Question 17

Larger numbers with floating points.

Answer 17

double

Question 18

Data should be stored in __

Answer 18

identifier or variable

Question 19

variable names

Answer 19

• alphanumeric characters
• the dollar sign
• underscore

Question 20

is java variable case sensitive?

Answer 20

yes

Question 21

can java variable begin with any digit or numbers?

Answer 21

no

Question 22

can the variable be in any length?

Answer 22

yes

Question 23

declaring Java variables

Answer 23

<data_type> <variable_name>
</variable_name></data_type>

Question 24

___ should be declared first before you can make use of them

Answer 24

variables

Question 25

if there are more than one variable of the same type, you need to separate the variable names by using a ___

Answer 25

comma (,)

Question 26

when printing variables, it needs to be enclosed in double quotes

Answer 26

false

Question 27

used to perform operations on variables and values.

Answer 27

operators

Question 28

data types, and are enclosed in single quotes.

Answer 28

Characters

Question 29

To separate string literals from values of identifiers, use the + operator, which is also known as a

Answer 29

concatenation operator

Question 30

predefined functions from a library that is readily available.

Answer 30

scanf or cin from C/C++

Question 31

simply a way to put together a group of related classes and Java has quite a number of packages for your use.

Answer 31

Packages in Java

Question 32

magic word to import the packages

Answer 32

import

Question 33

what can be found in java.util package?

Answer 33

Scanner

Question 34

Reads an int value

Answer 34

nextInt()

Question 35

Reads a float value

Answer 35

nextFloat()

Question 36

Reads a double value

Answer 36

nextDouble()

Question 37

Reads a short value

Answer 37

nextShort()

Question 38

Reads a long value

Answer 38

nextLong()

Question 39

Reads a byte value

Answer 39

nextByte()

Question 40

Reads a boolean value

Answer 40

nextBoolean()

Question 41

Reads a string value

Answer 41

nextLine()