OVERVIEW
D is a language with syntax being C style and uses static typing. There are many features of C and C++ in D but also there are some features from this language not included as part of D. Some of the notable additions to D include,
Unit testing
True modules
Garbage collection
First-class arrays
Free and open
Associative arrays
Dynamic arrays
Inner classes
Closures
Anonymous functions
Lazy evaluation
Closures
Multiple Paradigms
D is a multiple-paradigm programming language. The multiple paradigms include,
Imperative
Object Oriented
Metaprogramming
Functional
Concurrent
GET STARTED
To choose a Region follow the below step:
1. Sign in to the AWS Management Console.
2. Choose a service to go to that service's console.
3. In the navigation bar, choose the name of the currently displayed Region. Then choose the Region to which you want
to switch.
Step instructions for how to assess and monitor the health and proper function of the application:
1. Navigate to your Amazon EC2 console and verify that you're in the correct region.
2. Choose Instance and select your launched instance.
3. Select the server to display your metadata page and choose the Status checks tab at the bottom of the page to review if your status checks passed or failed.
To verify the installation, follow the below instructions
Step 1. Connect to SSH:
Open the Amazon EC2 console at https://console.aws.amazon.com/ec2/.
In the navigation pane, choose Instances.
Select the instance and choose Connect.
Choose SSH Client
Copy the SSH command and paste it into the terminal.
ssh ubuntu@publicIP -i [Path of key pair file]If it shows an access denied message run the following command, then run the above command again to connect via ssh.
chmod 400 [Path of key pair file]Once launched in the Amazon EC2 Service, please connect to the instance via an SSH client using the ec2-user with the key pair associated at launch. Once connected as the ec2-user user, you will be able to sudo to the root user
Step 2. Verify the installation
Follow the steps to verify the D Language installation
1. Login with ssh
2. Type the below command to check the version
3. To check the version :
dmd --version
How to use D Language in the terminal:
1. After connecting with ssh write the below command:
sudo vi hello.d3. Paste the following code into the file: :
import std.stdio;
void main()
{
writeln("Hello, World!");
} 2. After that use the below command :
dmd hello.d3. Then run the below command :
./helloThe output "Hello World" should appear in your terminal.
That's it! You have successfully printed "Hello, World!" using D Language in the terminal.
4. After using the above command then verify written the below command mentioned below image:
To monitor and assess application functions:-
a. Navigate to your Amazon EC2 console and verify that you're in the correct region.
b. Choose Instances and select your launched instance.
c. Select the server to display your metadata page and choose the Status checks tab at the bottom of the page to review if your status checks passed or failed.
For detailed information on how to use this application please visit: https://www.tutorialspoint.com/d_programming/index.htm
For detailed information about managing and requesting increased service please visit: https://docs.aws.amazon.com/general/latest/gr/aws_service_limits.html
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