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7. Executing our First Java Program in BlueJ | Java Programming | Compiling and Creating java Program @techcomputergyaan Technical Magic

 Executing our First Java Program in BlueJ  We are going to discuss Comments in Java Comments: Text ignored by the compiler To write some notes for future reference To find some errors we can make some statement as comment and can compile the program and in this way we can find errors in the program. Way of writing Comments // for single line comment /* for multiple line comments */ Create our First Project in BlueJ Step 1: To open BlueJ Step 2: Create new project Step 3: Create New Class in Pascal case, I have created HelloJava Step 4: Double click on HelloJava class. A new window in BlueJ with some codes will open. You will see some comments and some codes written over here. So, I am going to delete everything and I will write only codes which is important for our first program. So, here in the above screenshot you can see I have deleted everything except our HelloJava class. Now we will write code for our main() method. Now in the main method we can write our statement. Wri...

Run Commands | Make Computer Easy and Fast to Use | @techcomputergyaan

 Run Commands

Run Command ka short-cut key hai “ Window + R “ . Ye commands case insensitive hote hai. Hum commands ko capital letter small letter ya dono mila kar bhi likh sakte hai



Run” ka istemal kisi bhi application, folder, file ko open karne me kia ja sakta hai. Yeh hame directly us particular task ke paas pahuncha deta hai.

Run Command do tarah ke hote hai.

1.       Pre-Defined: Ye wo commands hote hai jo humare system me pehle se maujood hote hai ya fir jab hum koi naya application/software install karte hai to wo application/software apna run command bhi bna leta hai.

2.       Post-Defined: Ye waise commands hai jo hum bana sakte hai, khud ka command de sakte hai.

Ye commands hame humare computer ko operate karne me kafi madad karte hai.

Pre-Defined Run Commands

Run Command

Application

Documents

Documents Folder

Pictures

Pictures Folder

Videos

Videos Folder

Music

Music Folder

Downloads

Download Folder

Recent

Recently Opened Folder

System

System Folder

System32

System32 Folder

Speech

Speech Folder

Recycle

Recycle Bin Folder

Fonts

Font Folder

Osk

On Screen Keyboard

Perfmon

Performance Manager

Utilman

Setting kholne ke lie

Magnify

Magnify kholne ke lie

Temp

Temporary Folder

%Temp%

App Data Temporary Folder

Control

Control Panel

Control keyboard

Key Board properties kholne ke lie

Control mouse

Mouse properties kholne ke lie

Control admintools

Administrative tools kholne ke lie

Control desktop

Desktop properties kholne ke lie

Joy.cpl

Game controller kholne ke lie

Timedate.cpl

Time and date manager kholne ke lie

inetcpl.cpl

Internet Properties

Main.cpl

Mouse Properties

Intl.cpl

Regional Setting

Cmd

Command Prompt

Charmap

Character map kholne ke lie

Calc

Calculator

C:

C Drive

D:

D Drive

Shell:Sendto

Send to Drive

Shell:Startup

Users Startup Folder

Shell:Common Startup

Program Data Startup Folder

Appdata

App Data Folder

Notepad

Notepad

Mspaint

Paint

Wordpad / Write

WordPad

Winword

Microsoft Word

Powerpnt

Microsoft PowerPoint

Excel

Microsoft Excel

Photoshop

Photoshop (if installed)

Chrome

Google Chrome

Edge

Microsoft Edge

Firefox

Mozilla Firefox

Opera

Opera Browser

Vlc

VLC Media Player

Diskmgmt.msc

Disk Management

Devmgmt.msc

Device manager kholne ke lie

Compmgmt.msc

Computer management kholne ke lie

Certmgr.msc

Certificate manager kholne ke lie

secpol.msc

Local security manager

Lusrmgr.msc

Local User and Manager

Rsop.msc

Resultant Set of Policy

Regedit

Registry Editor

Dxdiag

DirectX Diagnostic Tool

Cleanmgr

Disk Cleanup

Taskmgr

Task Manager Khone ke lie

Diskpart

Cmd me diskpart kholne ke lie

Logoff

System se logout hone ke lie

Shutdown

Windows Shut Down karne ke lie

 

Post-Defined Run Commands

Jo run Commands hum khud bana sakte hai wo post-defined run commands hai.

Ye hum bahut hi aasani se create kar sakte hai. Ye commands kisi bhi application, folder ya files ke lie banaya ja sakta hai.

Steps:

    1.       Sabse pehle jis bhi file/folder/application ka run command banana hai uska hame short-cut file banana hoga.

    2.       Fir hum jo command banana chahte hai wahi name shortcut file ko Rename kar dena hai.

    3.       Fir hum ish shortcut file ko cut karenge.

    4.       Uske bad hame windows folder kholna hai => “C:\Windows”.

    5.       Yaha pe hame shortcut file ko paste kar dena hai.

    6.       Paste karte samay ek dialog box aayega usme continue pe click karna hai.

    7.       Ab humara Run Command Ban gaya.

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