Intro to Java

Question 1

Find the length of a string

Answer 1

.length

Question 2

Make a note that the computer ignores

Answer 2

//

Question 3

Ask the user to say yes or no

Answer 3

confirm()

Question 4

Request in input from the user

Answer 4

prompt()

Question 5

What is a string?

Answer 5

Letters, spaces, numbers

””

Question 6

What are the boolean values?

Answer 6

True or False

Question 7

prints to the console

Answer 7

console.log()

Question 8

Greater Than

Answer 8

>

Question 9

Less Than

Answer 9

<

Question 10

Less than or equal to

Answer 10

<=

Question 11

Greater than or equal to

Answer 11

> =

Question 12

Equal to

Answer 12

===

Question 13

Not equal to

Answer 13

!==

Question 14

Syntax of an “if” statement

Answer 14

if()
{
code
}

Question 15

Syntax of an “If else” statement

Answer 15

If()
{
code
}
else
{
code
}

Question 16

%

Answer 16

Modulo

divides the first operator by the second operator and gives the remainder

Question 17

How do you return a substring?

Answer 17

“string”.substring(X,Y)

The variables are numbers
X = the beginning of the substring
Y = the end of the substring

The first “cut” is to the left of the first character. Counting starts at “0”.

Question 18

How do you declare a variable?

Answer 18

var varName = data type

variable names are case sensitive

Question 19

What kinds of scope are there?

Answer 19

Global scope

Local scope

Question 20

Global scope

Answer 20

A variable declared outside a function can be accessed anywhere once declared.

Question 21

Local scope

Answer 21

A variable defined inside a function is local and cannot be accessed outside the function.

Question 22

JDK

Answer 22

Java Development Kit

The software for developers who want to write Java programs.

Question 23

The software for developers who want to write Java programs

Answer 23

JDK

Java Development Kit

Question 24

JRE

Answer 24

Java runtime environment.

The software for consumers who want to run Java programs. Contains the virtual machine but not the compiler.

Question 25

The software for people who want to run Java programs.

Answer 25

JRE

Java runtime environment.

Question 26

SE

Answer 26

Standard Edition

The platform for use on desktops and simple server applications.

Question 27

The platform for use on desktops and simple server applications.

Answer 27

SE

Standard Edition

Question 28

EE

Answer 28

Enterprise Edition

The Java platform for complex server applications.

Question 29

The Java platform for complex server applications.

Answer 29

EE

Enterprise Edition

Question 30

ME

Answer 30

Micro Edition

The Java platform for use on cell phones and other small devices.

Question 31

The Java platform for use on cell phones and other small devices.

Answer 31

ME

Micro Edition

Question 32

Java 2

Answer 32

J2

An outdated term that describes Java versions from 1998 to 2006.

Question 33

An outdated term that describes Java versions from 1998 to 2006.

Answer 33

J2

Java 2

Question 34

SDK

Answer 34

Software Development Kit

An outdated term that describes the JDK from 1998 to 2006

Question 35

An outdated term that describes the JDK from 1998 to 2006

Answer 35

SDK

Software Development Kit

Question 36

Update

Answer 36

u

Oracle’s term for a bug fix release.

Question 37

u

Answer 37

Update

Oracle’s term for a bug fix release.

Question 38

NetBeans

Answer 38

Oracle’s integrated development environment

Question 39

Oracle’s integrated development environment

Answer 39

NetBeans