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Computer Science: Setting Up Your Environment 19 Views


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Description:

Just as you move your furniture into a new house before spending the night, you’ve got to spend a little time setting up your environment when you start coding. Unless you want to sleep on the floor. You do you.

Language:
English Language

Transcript

00:03

Setting up your environment well this is Carmen the carpenter ant like

00:08

most ants she's industrious but that's just debug life [Ant carrying a raisin]

00:13

so because carmen wants to bust out of this floorboard some day and make

00:16

something of herself she doesn't want to be mindlessly chipping away at wood pulp [Ant chipping at wood]

00:20

all her life well she's working on advancing her coding career she knows

00:25

that the first thing she needs to do is set up for coding environment

00:29

well she starts with a couple of internet downloads the Java development

00:32

kit also known as the JDK cleverly named in

00:36

either a text editor or an integrated development environment also known as an

00:41

IDE well when it comes to the text editor or

00:44

IDE she's got plenty of options it's her first time working with Java so she [List of IDE items]

00:48

should probably go with eclipse or NetBeans since they have some built-in

00:52

tools there to help make Carmen's debugging life easier but first there's

00:56

the JDK as Carmen knows java's on just about any computer but the tools to [Java logo appears on computer screen]

01:02

develop it aren't the JDK will give her the space on her computer its an apple

01:08

seed macbook light in case you were wondering with the tools to comply and

01:12

run her very own grade a homegrown java code now legal in California, she picks

01:17

the download that matches her operating system and follows the steps for [Carmen downloads a file]

01:21

installation for operating systems the apple seed

01:24

so her installation process looks like this where all she needs to do is

01:29

double-click on the box here we go and click continue until it begins [Mouse clicks on box]

01:33

installing so if she were working on a Windows computer and could end up

01:37

looking like this where all she'd need to do is follow these same installation

01:41

steps well now Carmen's got the JDK setup on [Carmen clicks close button]

01:44

her computer to make most of the code doing she'll want a place to write her

01:49

code - back to that list of code writing apps now Carmen wants to be up and

01:53

running as fast as possible so we're going to skip the IDE s for now they're

01:57

helpful but they also have a pretty high learning curve or steep one and Carmen

02:01

isn't one to chew the pulp so we'll come back to them later all right so there [Carmen waiting]

02:05

are two flavors of code writing software a text editor and an IDE no matter which

02:12

one carmen uses this codes going to end up printing the

02:15

line how do you do fellow bugs to the screen first a text editor Carmen's [Brackets explanation of code]

02:21

going to go with brackets which has some basic debugging features and is little

02:25

slicker than the others text editors - to download brackets to head to the

02:29

download page cleverly she downloads and run through the setup process which

02:34

looks like this for a Mac and this for Windows then she opens it up on her

02:39

computer I don't we'll get to what all this code means later but right now we

02:43

just want to test and make sure everything's working which means Carmen

02:46

should save the file somewhere easy to find on the computer like oh let's say [An apple mac keyboard]

02:50

the desktop which by the way is usually a great place to find the breadcrumbs [Ants carrying breadcrumbs]

02:54

all right well she goes to the file menu and click save as then picks the desktop

02:58

as her saved to destiny location okay so Carmen's going to want a separate folder

03:02

for her code later but for now she'll just save it to the desktop all right

03:06

time for her to head to the terminal if using Windows 10 Carmen would type CMD

03:11

into the search box but she happens to be an OS X so she types terminal into [Carmen types terminal in search field]

03:16

the search field boom black screen perfect that's just what we want but

03:20

there's the thing wherever Carmen is on the terminal might not be the desktop in

03:26

fact it's probably at the root of her directory while she can figure out where

03:30

she is in that directory by entering LS on OS X or "dir" if she was using Windows 10

03:37

got it well then she uses the command CD to enter the desktop

03:41

directory well she checks to make sure the Java

03:44

files showing up by entering wait for it LS or Dir just like the last time she [Carmen checking desktop]

03:50

check to see what folders and files were in the directory but once the file is

03:54

created and ready to go Carmen needs to make sure the computer can read the

03:57

command which she'll do with the command Java C followed by the name of the

04:02

program including that dot Java ending all right well the command Java C [Carmen appears below a line of code]

04:07

compiles all the fancy-schmancy Java code into something the computer can run

04:11

or crawl in Carmen's case this command is going to create a file with the same

04:16

name as the Java file except now it's got the ending dot class [Arrow points to class of java file]

04:20

well the dot class file can also be called the compiled code which means

04:24

it's been compiled so that the computer can actually read

04:27

it so Carmen types in Java first program hits enter and suddenly sees how do you

04:33

do fellow bugs and shows up on your screen

04:36

Carmen has now run a program using the command it's a good feeling isn't it [Carmen jumping up and down on the enter key]

04:40

even better than being able to carry 30 times your own body weight

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