Creating, Compiling, and Executing a Java Program

Java Programming: Creating, Compiling, and Executing a Java Program
Topics discussed:
1. Creating a Java program using a simple text editor.
2. Compiling the Java program using the Command Window.
3. Running the Java program using the Command Window.
4. What happens exactly when we compile and run our Java program.
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Music:
Axol x Alex Skrindo - You [NCS Release]
#JavaByNeso #JavaProgramming #CreatingJavaProgram

[@s.....8353]

your academy is the best academy i have ever seen,with micro videos u cover the content as deep as possible.

[@jimmymesa]

Very enlightening. The outspoken Java programmer really knows his stuff.

[@shashikumar8167]

Best playlist for learning java ,thank you.

[@solomonbirhane3648]

amazing sir, please upload more videos in a day as much as possible for you. we are waiting your lecture.

[@aminhbr]

one of the most best and clear courses, thank you for learning us, I am very happy, I watched the first video and I found myself watching 10 others :D

[@mdakip9328]

was struggling to find good lectures but finally I saw your vid3os and change my mind 😊😊

[@arifansari5671]

This course is too good, thank you

[@arpanmondal3305]

You people are really giving qualitative education , Thank You:)

[@suheabkhan2546]

Sir we regularly wait for ur videos.. . We missed your video a lot sir..

[@sohamjavkar8283]

This course is too good to be free. Thank You for such amazing content

[@lucascampelo4539]

Thanks for the lessons. Keep on the good work!

[@ashhadharun6686]

Your Amazing I like ur classes The way you teaching it's really amazing 🤩🤩

[@keerthansj845]

Such a clear explanation. Thanks a lot.

[@LunaKirby]

If it’s saying path not found try this > cd one drive then cd desktop

[@zeff9629]

Man I have never seen somone teaching better than this... Very precious and indepth System.out.print("Thank you brother")

[@karimjapparov5324]

Thank you for making these videos !

[@LoneRaashid]

You sound like mufti menk.. by the way your way of teaching is great

[@selamzerihun8739]

good work king, love you

[@ketara1234od]

THANK YOU VERY MUCH ! YOU ARE THE BEST TEACHER

[@niharikamudinla5895]

Thanks for the detailed explanation of the whole course

[@minercreepmc]

You are the best. Step by step tutorial

[@justpaulo]

For the lazy 😊: public class Welcome { public static void main(String[] args) { System.out.println("Hello World!"); } }

[@chinmayapradhan968]

😂 😂

[@Mohammad-Aleem]

Thank you brother 🙂

[@pramodsitaprao4186]

Thanks Sir, keep going. Please upload 2-3 video in a day by taking some time.

[@anandrp8456]

superb class

[@ifeanyichukwujohn9150]

Thanks sir for this. It's useful

[@jan5504]

Very well explained! Thank you so much!

[@Haha-nr6ng]

if you get this error ---> error: package system does not exist go back to notepad and change the 's' in system.out from small case to upper case. (System.out) -- CAPITAL 'S'

[@mdoubleet2330]

Thank You

[@Th3RaWa]

Love your style, thanks.

[@DaiMoscv]

Very cool, I didn't know about it

[@AmitKumar-nq7xr]

My according it's very helpful. That's why make more video

[@madhuranaik6270]

Thanku so much sir it's really useful.

[@gilbertrpino6229]

I really like your videos keep it up bro :)

[@masterzeck5244]

Thanks sir!

[@MoAdel92]

بسم الله ماشاء الله عليك يا استاذ علي

[@AbhishekSingh-cu1fe]

Thank you sir.. that was great!

[@AhmedMohamed-or9fr]

You r the best please make course about flutter and ios and android

[@cloudproblemssolved]

for those with the error: C:\Users\ANDjo\Desktop\javaNeso>javac Welcome.java Welcome.java:3: error: ',', ')', or '[' expected public static void main(String[] args { ^ Welcome.java:4: error: unclosed string literal System.out.println("Welcome to Java!!); Read this! i forgot the " in notepad 🤦‍♂ 😂 public class Welcome { public static void main(String[] args { System.out.println("Welcome to Java!!");

[@Shivam-eh5fc]

Please sir atleast upload 3 videos in a day

[@avnishkumar7331]

Hey bro I am stuck at a point where after typing the command "javac Welcome.java" The result is Javac is not recognised as an internal or external command, operable program or batch file. Pls help me out waiting for your reply thank you.

[@sumantaadak5541]

I am also stuck with the same problem

[@avnishkumar7331]

@@sumantaadak5541 I tried to install the intelijidea again and it worked I made sure that while copying the path in the properties I don't type % and any other symbols. You have to go to the properties again and in the environment settings you will have to paste the path of the intelijidea again without any symbol just copy the path and paste it as it is and it will run properly. Thank you

[@sumantaadak5541]

@@avnishkumar7331 intelijidea means? I don't know

[@avnishkumar7331]

@@sumantaadak5541 have you watched the 7th lec where the installation of java was taught watch that video again and follow all the steps just don't put any symbols while pasting the path symply copy the path and paste it as it is.

[@sumantaadak5541]

@@avnishkumar7331 ohhh yeah yeah ! Actually I skipped the 7 th lecture . Thank you for the information

[@ChandanSingh080]

Thanks again sir...

[@prateekgautam2912]

Hi sir i have problem after writing javac Main.java When i press enter it shows code like Main.java:1:error:class main is public,should be declared in a file named main.java And so on

[@LitOUR-Literature]

It also happens to my program

[@bhajarangabali430]

Public class welcome { Public static void main(string[ ] args){ System .out println("Avi"). } }

[@diptilaad4382]

Hello sir, please make video lectures on Network Theorems for AC circuits

[@stavroskonstantinou9495]

Error: A JNI error has occurred, please check your installation and try again Exception in thread "main" java.lang.UnsupportedClassVersionError: Welcome has been compiled by a more recent version of the Java Runtime (class file version 57.0), this version of the Java Runtime only recognizes class file versions up to 52.0

[@janisinz]

Go to add/remove programms - uninstall JavaSE runtime. Keep only Java SE Delevopment Kit (JDK).

[@kaushalbhagrath6346]

hi!!! I must say your content and style of explaining things is really helpful. I had concern may be you can get time and help me out. Not able to use Intelij IDEA. Some Error of DSL 111, which restricting me to use Intelij IDEA.

[@omi_tym_pss]

Sir you said that tha file name should be same as class name what if I have many classes

[@justpaulo]

Anyone got this error? (the Welcome.class seems to have been well generated) "C:\Users\ps\Desktop>java Welcome Error: Could not find or load main class Welcome Caused by: java.lang.ClassNotFoundException: Welcome "

[@justpaulo]

"java " works...🤔: "C:\Users\ps\Desktop>java Welcome.java Hello World!"

[@AbhishekSingh-cu1fe]

I don't have PC😢

[@wog4299]

@@AbhishekSingh-cu1fe ❤

[@SwethaReddy-f9t]

s may i know how uh resolved it

[@syedzainalizaidi6766]

7:00 Guys.....Trust me I am not able to understand what does tha "Badran" means in that CMP as in my PC it ain't showing that up! Please if anyone could DO REPLY!

[@itachi5291]

Bro it's the name of the user of the computer.

[@TheRick439]

why is the cmd not working with the program i created to compress even doing evething like explain?

[@rajeswarig4091]

thank you so much no words for your explanation

[@thedeepak2001]

When I am entering the command in the command prompt it showing the result not found .it shows like this .....what I have to do now sir

[@lokeshbablu2168]

I don't understand this video..😢😢

[@VMgeschwader4117]

Your classes are owsome,but somewhere I made mistake I can't know what it is,it doesn't show as yours

[@ahmadkakarr]

Please tell me. Which is better ecosystem java or c#?

[@samsonsafo8417]

If you’re on Mac, cmd is same as terminal as you may know

[@debabratagogoi9038]

nice👍👍

[@harleen7013]

There is one wrong information provided in this video.... it is not necessary to name the class same as the name of the file.....

[@PrudhviReddyBoddapati]

C:\Users\prudh>cd Desktop The system cannot find the path specified. kindly please help me to fix this.

[@rishabdas1092]

in my cmd it is showing that javac' is not recognized as an internal or external command, operable program or batch file.

[@theamanpanchal]

did you add it to environment path?

[@aleganskywalker5362]

​@@theamanpanchal hello bro can u telle how to fix this i am having same problem

[@pesanduransen2254]

Error: A JNI error has occurred, please check your installation and try again Exception in thread "main" java.lang.UnsupportedClassVersionError: Welcome has been compiled by a more recent version of the Java Runtime (class file version 57.0), this version of the Java Runtime only recognizes class file versions up to 52.0 how can i fix this :( please help

[@princenikki12]

Computer Networks please

[@destexb4381]

Jvm has to be installed seperately for doing this?

[@menaazfatima5013]

my cmd shows system cannot find the path as i give cd desktop command

[@manasprajapati4353]

I cannot navigate to desktop : C:\Users\xxxxxx>cd Desktop The system cannot find the path specified. its showing this .

[@shaikaltaf5737]

You are just closing your project and creating new one but before that tell how to save the project in intellij so that we can open it and run when we want

[@shivamnolkha4470]

Thank you sir !

[@viveksingh8443]

i cannot locate the desktop in cmd with "cd Desktop ".plz help i have windows 11

[@KSPatel-kl6xo]

Nice

[@manasa7522]

The system cannot find the path specified is the error msg

[@AkhilAkkarleni]

Yes same problem

[@harshshelke2821]

Even if the file extension is java ...cmd is saying that file not found...what should I do..😟🥺😭

[@prakhardhyani7111]

Same problem

[@hetaeramancer]

Change dir so that you end up in your .java

[@TECHNICALPRATIKKUMARBHAI]

I see error on my desktop after doing this why error is coming anyone help me to correct it

[@nbk330]

which type of error u r getting

[@TECHNICALPRATIKKUMARBHAI]

@@nbk330 now my problem is solved thx for asking

[@lokeshimandi2734]

heyy i got this error if anyone knows please let me know C:\Users\HP\Desktop>javac First.java error: file not found: First.java Usage: javac use --help for a list of possible options

[@suheabkhan2546]

Nyc sir

[@kavyareddy5898]

Sir pls make videos on python plss sir

[@cadmanpk4885]

when i type javac command it says an error. even i also downloaded the java

[@saibhavaniprasadpotukuchi754]

same :(

[@Jmeskill]

​@@saibhavaniprasadpotukuchi754 I had the same issue, I think it's because he switched from having his class called Welcome to calling it Main. Try this: in notepad - public class Welcome{ public static void main(String[] args){ System.out.println("Welcome to Java!"); } } Save it as Welcome.java Go to cmd and navigate to the desktop Type Javac Welcome.java You should be able to execute it now with Java Welcome in cmd Hope it helps, sorry it's two months later.

[@sudhirbrar4614]

I am not able to command desktop 😵😵😵

[@sudhirbrar4614]

@@Jmeskill help me out of this

[@divonharrison2204]

when i run the command (java Welcome.java) i got an error. how can i fix this pls

[@yaswanthisathya3041]

Me too

[@Dperns]

Hello Im using Mac and cant follow the compiling part

[@manasa7522]

hello....sir..i am getting error while compiling....near cd desktop ...any suggestions from u

[@vishnupriya_6380]

same

[@viveksingh8443]

@@vishnupriya_6380 how you guys sort out this problem?plz help

[@kenjohnsiosan9707]

thank you sir.

[@sharau.99]

Sir can you please start teaching Python please?

[@AjayChauhan-ot2ss]

please upload python vedio soon

[@tweeto3331]

it was going great till my laptop didn't recognize the javac command

[@SurajKumar-ru3yu]

error: package system does not exist system.out.println("valo sucks"); ^ please help sir

[@be_a_changer9859]

In system it should have capital S. System Because Pascal convention rule . First letter should be S

[@GOSAITA777]

❤❤❤

[@saimohan5376]

Why only Desktop???

[@jradlr]

done

[@chinua2518]

My question is opened to anyone for answers, how do I go about compiling Java on Linux.

[@Mithsan]

System.out.print("Thank you Sir😊");

[@chinmayapradhan968]

Write the code peoperly you will definitely get the answer ex: System. Not system.

[@removed8790]

I LOVE INDIA WOOO

[@viswanathanviswanathan8874]

please teach HTML

[@Ravikumar-gj6qw]

Ur a computer or what ur speaking like that only bro

[@kostavsheoran1530]

the teacher is russian probably, bu he knows his stuff

[@karthik_meda]

Amo sir I can't understand any one in that??

[@tontonbooc8850]

1 error

[@dhiraj.govindvira]

download sublime text 3 😘😘

[@acercomputer6714]

I had error:I

[@Jmeskill]

I had the same issue, I think it's because he switched from having his class called Welcome to calling it Main. Try this: in notepad - public class Welcome{ public static void main(String[] args){ System.out.println("Welcome to Java!"); } } Save it as Welcome.java Go to cmd and navigate to the desktop Type Javac Welcome.java You should be able to execute it now with Java Welcome in cmd Hope it helps, sorry it's two months later.

[@adisstube765]

exelence

[@russellmakoni3808]

U sound lyk an angry russian villain