Basic Java

Question 1

It allows developers to create Java programs that can be executed by the Java Runtime Environment (JRE).

Answer 1

JDK

Question 2

What does JDK stand for?

Answer 2

Java Development Kit

Question 3

A software used by a developer so that they can easily code in a certain programming language, has tons of features that can make programming easier.

Answer 3

IDE

Question 4

What does IDE stand for?

Answer 4

Integrated development environment

Question 5

A folder in a directory where we can throw all our related codes in the same directory.

Answer 5

Package

Question 6

Are used to store temporary data to be used in our program’s runtime.

Answer 6

Variables

Question 7

The type of data inside our variable

Answer 7

Data Type

Question 8

Holds a Single character

Answer 8

Characters

Question 9

Holds a set of characters/texts

Answer 9

String

Question 10

Holds True or False

Answer 10

Boolean

Question 11

It is the name of the variable that the programmer indicated it is used to Read and Write the variable.

Answer 11

Identifiers

Question 12

The process of joining Strings together with the plus operator

Answer 12

Concatenation

Question 13

Allows a program to take action based on the given condition. It makes our program smarter. Typically compares two values.

Answer 13

Conditional Statements

Question 14

Handles 1 Conditional Expression, it either does something or nothing.

Answer 14

IF statement

Question 15

Handles 2 Conditional Expressions, it either does the first Code Block or the second Code Block.

Answer 15

IF-ELSE statement

Question 16

Handles 3 or More Conditional Expressions, the possibility of this Statements are limitless it will run a certain code block based on the condition

Answer 16

IF-ELSE IF- ELSE statement

Question 17

A conditional statement within a conditional statement.

Answer 17

Nested Conditional Statement

Question 18

A built in package that has many pre-written classes to help the programmer manage input, database, and etc.

Answer 18

Java API

Question 19

Java API has many pre-written classes to help the programmer manage input, database and etc.

Answer 19

Built in packages

Question 20

A package the helps programmers
handle inputs from the user.

Answer 20

java.util.Scanner

Question 21

It is similar to a conditional statement, but only checks for equality and only works with strings, char, int, and enums.

Answer 21

Switch Statements

Question 22

Which variables do Switch Statements only work with?

Answer 22

string, char, int, and enums

Question 23

Is used to define a “Case” in a switch statement

Answer 23

Case Keyword

Question 24

Often used to handle values that are not on a case. It is recommended that this keyword is used on the end of a switch statement.

Answer 24

Default Keyword

Question 25

Is used to break out of a switch statement or loop statements without executing the whole block of code inside it.

Answer 25

Break Keyword

Question 26

Used to display something in the console on the same line

Answer 26

System.out.print();