01 Introduction

Question 1

It deals about creating objects that contain both data and functions.

Answer 1

Object-Oriented Programming (OOP)

Question 2

It is a popular programming language (previously named as Oak), created in 1995 owned by Oracle.

Answer 2

Java

Question 3

It accepts an array of arguments.

Answer 3

Main Function

Question 4

It is used to print a line on the console.

Answer 4

System.out.println

Question 5

It prints the enclosed literal string without the new line character.

Answer 5

System.out.print

Question 6

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

Answer 6

Java

Question 7

Larger than int

Answer 7

Long

Question 8

Numbers with floating points.

Answer 8

float

Question 9

Larger numbers with floating points.

Answer 9

double

Question 10

Data should be stored in some ______.

Answer 10

identifier or variable

Question 11

Variable names should be composed of:

Answer 11

Alphanumeric characters, The dollar sign, Underscore

Question 12

Variables cannot begin with any _____.

Answer 12

Numbers

Question 13

In declaring Java variables, this format is followed,

Answer 13

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

Question 14

It should be declared first before you can make use of them.

Answer 14

variables

Question 15

It is used to perform operations on variables and values.

Answer 15

Operators

Question 16

Are data types, and are enclosed in single quotes.

Answer 16

Characters

Question 17

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

Answer 17

Concatenation operator.

Question 18

Predefined functions from a library
that is readily available.

Answer 18

scanf

Question 19

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

Answer 19

Packages in Java

Question 20

It reads a string value

Answer 20

nextLine()