Learn Aws-cdk - 4 Code Examples & CST Typing Practice Test

AWS CDK (Cloud Development Kit) is an open-source framework to define cloud infrastructure in code using familiar programming languages like TypeScript, Python, Java, and C#. It enables developers to provision AWS resources using code rather than manual configuration.

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Simple AWS CDK S3 Bucket (Python)Simple AWS CDK S3 Bucket (TypeScript)Simple AWS CDK S3 Bucket (Java)Simple AWS CDK S3 Bucket (.NET C#)

Learn AWS-CDK with Real Code Examples

Updated Nov 27, 2025

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Code Sample Descriptions

Simple AWS CDK S3 Bucket (Python)

# aws_cdk/demo.py
from aws_cdk import core
from aws_cdk import aws_s3 as s3

class MyStack(core.Stack):
    def __init__(self, scope: core.Construct, id: str, **kwargs) -> None:
        super().__init__(scope, id, **kwargs)
        bucket = s3.Bucket(self, 'MyBucket')

app = core.App()
MyStack(app, 'MyStack')
app.synth()

A simple AWS CDK Python program creating an S3 bucket.

Let’s Try →

Simple AWS CDK S3 Bucket (TypeScript)

# aws_cdk/demo.ts
import * as cdk from 'aws-cdk-lib';
import * as s3 from 'aws-cdk-lib/aws-s3';

class MyStack extends cdk.Stack {
    constructor(scope: cdk.App, id: string) {
        super(scope, id);
        new s3.Bucket(this, 'MyBucket');
    }
}
const app = new cdk.App();
new MyStack(app, 'MyStack');
app.synth();

A simple AWS CDK TypeScript program creating an S3 bucket.

Let’s Try →

Simple AWS CDK S3 Bucket (Java)

# aws_cdk/demo.java
import software.amazon.awscdk.*;
import software.amazon.awscdk.services.s3.Bucket;

public class MyStack extends Stack {
    public MyStack(final Construct scope, final String id) {
        super(scope, id);
        Bucket bucket = Bucket.Builder.create(this, "MyBucket").build();
    }
}
public class App {
    public static void main(final String[] args) {
        App app = new App();
        new MyStack(app, "MyStack");
        app.synth();
    }
}

A simple AWS CDK Java program creating an S3 bucket.

Let’s Try →

Simple AWS CDK S3 Bucket (.NET C#)

# aws_cdk/demo.cs
using Amazon.CDK;
using Amazon.CDK.AWS.S3;

class MyStack : Stack {
    public MyStack(Construct scope, string id, IStackProps props = null) : base(scope, id, props) {
        var bucket = new Bucket(this, "MyBucket");
    }
}
class Program {
    static void Main(string[] args) {
        var app = new App();
        new MyStack(app, "MyStack");
        app.Synth();
    }
}

A simple AWS CDK .NET C# program creating an S3 bucket.

Let’s Try →

Frequently Asked Questions about Aws-cdk

What is Aws-cdk?

What are the primary use cases for Aws-cdk?

Infrastructure as Code (IaC) for AWS. Automated provisioning of servers, databases, and networking. Multi-environment cloud deployments. Reusable infrastructure modules (constructs). Integration with CI/CD pipelines

What are the strengths of Aws-cdk?

Code-first IaC approach. High-level abstractions simplify complex services. Reusability via constructs. Supports unit testing and assertions. Integrates well with CI/CD and DevOps workflows

What are the limitations of Aws-cdk?

AWS-specific; not multi-cloud. Requires knowledge of AWS services and concepts. CloudFormation limits still apply. Steep learning curve for advanced constructs. Debugging synthesized templates can be challenging

How can I practice Aws-cdk typing speed?

CodeSpeedTest offers 4+ real Aws-cdk code examples for typing practice. You can measure your WPM, track accuracy, and improve your coding speed with guided exercises.

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Learn Aws-cdk - 4 Code Examples & CST Typing Practice Test

Code Sample Descriptions

Simple AWS CDK S3 Bucket (Python)

# aws_cdk/demo.py
from aws_cdk import core
from aws_cdk import aws_s3 as s3

class MyStack(core.Stack):
    def __init__(self, scope: core.Construct, id: str, **kwargs) -> None:
        super().__init__(scope, id, **kwargs)
        bucket = s3.Bucket(self, 'MyBucket')

app = core.App()
MyStack(app, 'MyStack')
app.synth()

A simple AWS CDK Python program creating an S3 bucket.

Let’s Try →

Simple AWS CDK S3 Bucket (TypeScript)

# aws_cdk/demo.ts
import * as cdk from 'aws-cdk-lib';
import * as s3 from 'aws-cdk-lib/aws-s3';

class MyStack extends cdk.Stack {
    constructor(scope: cdk.App, id: string) {
        super(scope, id);
        new s3.Bucket(this, 'MyBucket');
    }
}
const app = new cdk.App();
new MyStack(app, 'MyStack');
app.synth();

A simple AWS CDK TypeScript program creating an S3 bucket.

Let’s Try →

Simple AWS CDK S3 Bucket (Java)

# aws_cdk/demo.java
import software.amazon.awscdk.*;
import software.amazon.awscdk.services.s3.Bucket;

public class MyStack extends Stack {
    public MyStack(final Construct scope, final String id) {
        super(scope, id);
        Bucket bucket = Bucket.Builder.create(this, "MyBucket").build();
    }
}
public class App {
    public static void main(final String[] args) {
        App app = new App();
        new MyStack(app, "MyStack");
        app.synth();
    }
}

A simple AWS CDK Java program creating an S3 bucket.

Let’s Try →

Simple AWS CDK S3 Bucket (.NET C#)

# aws_cdk/demo.cs
using Amazon.CDK;
using Amazon.CDK.AWS.S3;

class MyStack : Stack {
    public MyStack(Construct scope, string id, IStackProps props = null) : base(scope, id, props) {
        var bucket = new Bucket(this, "MyBucket");
    }
}
class Program {
    static void Main(string[] args) {
        var app = new App();
        new MyStack(app, "MyStack");
        app.Synth();
    }
}

A simple AWS CDK .NET C# program creating an S3 bucket.

Let’s Try →

Frequently Asked Questions about Aws-cdk

What is Aws-cdk?

What are the primary use cases for Aws-cdk?

What are the strengths of Aws-cdk?

Code-first IaC approach. High-level abstractions simplify complex services. Reusability via constructs. Supports unit testing and assertions. Integrates well with CI/CD and DevOps workflows

What are the limitations of Aws-cdk?

How can I practice Aws-cdk typing speed?

CodeSpeedTest offers 4+ real Aws-cdk code examples for typing practice. You can measure your WPM, track accuracy, and improve your coding speed with guided exercises.