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AWS Cloud Development Kit (CDK) vs OpenJDK Java comparison

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Comparison Buyer's Guide

Executive Summary

Review summaries and opinions

We asked business professionals to review the solutions they use. Here are some excerpts of what they said:
 

Categories and Ranking

AWS Cloud Development Kit (...
Ranking in Development Platforms
4th
Average Rating
8.4
Reviews Sentiment
7.2
Number of Reviews
7
Ranking in other categories
No ranking in other categories
OpenJDK Java
Ranking in Development Platforms
6th
Average Rating
9.0
Reviews Sentiment
5.7
Number of Reviews
15
Ranking in other categories
No ranking in other categories
 

Mindshare comparison

As of November 2026, in the Development Platforms category, the mindshare of AWS Cloud Development Kit (CDK) is 7.0%, up from 6.7% compared to the previous year. The mindshare of OpenJDK Java is 2.7%. It is calculated based on PeerSpot user engagement data.
Development Platforms Mindshare Distribution
ProductMindshare (%)
AWS Cloud Development Kit (CDK)7.0%
OpenJDK Java2.7%
Other90.3%
Development Platforms
 

Featured Reviews

Harsh Shrivastava - PeerSpot reviewer
Senior Software Engineer at Thomson Reuters
Infrastructure code has become reusable and now integrates seamlessly with application logic
The best features that AWS Cloud Development Kit (CDK) offers include providing a better experience of working with infrastructure as code by offering higher level and usable constructs, choosing my preferred language, allowing the use of any programming elements like parameters, conditions, conditionals, loops, compositions, and inheritance to define the desired outcome of infrastructure. There is also the CDK library of infrastructure constructs. AWS Cloud Development Kit (CDK) integrates with CloudFormation to deploy and provision infrastructure on AWS, which are some of the benefits and features. The ability to choose my preferred programming language has helped my workflow significantly, as I can use my preferred languages such as JavaScript or C#, along with the programming elements in that language such as parameters, conditionals, loops, compositions, and inheritance to define the desired outcome of my infrastructure and application logic. I benefit from developing infrastructure in my preferred IDE, which includes syntax highlighting and intelligent code completion that has helped my workflow. The benefits of AWS Cloud Development Kit (CDK) include multi-language support, so if I am familiar with a specific programming language, instead of writing YAML or JSON files, I can use my own language such as TypeScript, JavaScript, Python, Java, C#, .NET, or Go. There is also IDE support and improved developer experience, along with reusable components, namely AWS Cloud Development Kit (CDK) constructs that encapsulate AWS best practices. These have positively impacted my organization. Reduced errors and an improvement in the code are specific outcomes I can share regarding AWS Cloud Development Kit (CDK). Earlier, I used to write JSON or YAML syntax. After the introduction of typed languages like TypeScript, I can catch configuration errors at compile time rather than during deployment, which significantly reduces debugging time. This has greatly reduced the errors I encounter.
Harshwardhan Gullapalli - PeerSpot reviewer
AI Engineer at a educational organization with 51-200 employees
Reliable parsing has transformed financial document workflows and supports accurate LLM extraction
The JVM startup time is noticeable for lightweight, one-off document parsing tasks; that warm-up overhead feels unnecessary compared to a Python script that starts instantly. In a high-concurrency microservices environment where containers are spun up frequently, that matters significantly. On the developer experience side, managing Java versions across different environments can get messy. We encounter situations where local development is running one JDK version, staging is another, and production is different. Without proper tooling such as SDKMAN or Docker, it becomes a coordination headache. Better built-in versioning and consistency would help. Regarding documentation, the OpenJDK Java documentation itself is solid but quite dense and assumes a certain level of Java knowledge. For teams coming from other backgrounds such as mine, which has a lot of Python and JavaScript experience, the barrier to entry is steeper than necessary. More beginner-friendly getting started guides would be beneficial. Additionally, the JVM baseline memory usage is significant. For resource-constrained environments or when running multiple lightweight services, that overhead adds up. Lighter JVM variants exist, but they are not as well-documented or easy to adopt. Better guidance on choosing the right JVM flavor would smooth that out. I choose a rating of 8 out of 10 for OpenJDK Java because it could reach a 10 if the JVM startup time was dramatically reduced, perhaps through better default configurations or a lightweight default build for serverless and containerized workflows where speed matters. Secondly, a streamlined, unified approach to version management and environment consistency built in would help eliminate the need for juggling SDKMAN, Docker, and multiple configurations. Lastly, better memory efficiency out of the box would be ideal. If OpenJDK Java could run with smaller baseline footprints without sacrificing performance or stability, it would be a clear winner across more use cases. While it is the best choice for stable, long-running backend services and document processing pipelines, it has trade-offs for lighter, more distributed architectures. Fix those, and it would be a 10 out of 10.

Quotes from Members

We asked business professionals to review the solutions they use. Here are some excerpts of what they said:
 

Pros

"The setup process is very straightforward."
"AWS CDK has notably streamlined the deployment process compared to other methods, primarily by defining cloud infrastructure as code."
"AWS Cloud Development Kit (CDK) has impacted my organization positively in terms of productivity; you do not need to write the code again and again, we can use SaaS services, and the accuracy provided by AWS and AWS Cloud Development Kit (CDK) is much higher, so we do not need to worry about failures."
"You can use AWS CDK to write code to provision infrastructure."
"Reduced errors and an improvement in the code are specific outcomes I can share regarding AWS Cloud Development Kit (CDK), as I can now catch configuration errors at compile time rather than during deployment, which significantly reduces debugging time and has greatly reduced the errors I encounter."
"One of the most valuable aspects of CDK is its ability to integrate various components seamlessly, such as Lambda functions, API Gateway, DynamoDB, and EventBridge."
"The most valuable features of the AWS Cloud Development Kit (CDK) are its speed and ease of deployment."
"AWS CDK offers seamless integration, which was a significant factor in choosing it for cloud computing."
"OpenJDK Java has positively impacted my organization because if developers can deliver work faster, it has of course positively impacted the company."
"Since using OpenJDK Java, the specific outcomes include that the Selenium automation I have done in Java on the client's home page has given us very good reliability, and after that, we never received any escalation or an email from the client that this page is down and no one is looking into it."
"OpenJDK Java has positively impacted my organization by significantly reducing parsing failures."
"We have found OpenJDK Java to be highly performant and reliable compared to other Java distributions such as Oracle JDK, and in some cases, even more stable due to its open-source nature and community-driven updates."
"OpenJDK Java has saved me time and effort, being one of my main resources that is free to use and helpful as a student."
"Scalability and maintainability have benefited my team and projects significantly."
"The optimizations impacted our organization significantly since we were using Apache NiFi with OpenJDK 21, and our application throughput was really high as we were able to process 7,000 records per minute and the performance was also good while the JVM was not running high."
"OpenJDK Java has positively impacted my organization by providing a stable, reliable, and cost-effective platform for running Java applications."
 

Cons

"Using AWS CDK requires some knowledge of popular programming languages."
"In that condition, if a developer accidentally pushes those environment variables to other things such as GitHub or any SCM, there are chances that a particular hacker or an unintended person can access our whole infrastructure."
"There is room for improvement in the use of EventBridge and the initial setup of CDK, which can be a bit challenging."
"There are some issues with different plugins."
"They could allow combining multiple languages, such as JavaScript and Python for the platform. At present, we can use only one language."
"The primary issue we've encountered is pricing. Some customers find the pricing to be somewhat high. Additionally, there's a discrepancy between the promised resource utilization and the actual utilization. The resource utilization calculations don't align with the provided guidelines. So, the pricing and resource utilization calculations could be refined."
"I think that we need to follow the latest trends and include even more optimization in the language to match the best performing languages so we can get more with less code because Java often requires some kind of boilerplate to achieve many things, but other languages don't require that."
"Bean optimization could be improved. Several improvements could be handled: performance improvement, better garbage collector latency, cloud container awareness, and cleaner syntax."
"OpenJDK Java performs well overall. However, OpenJDK Java could be improved in terms of memory performance, and threads could be better optimized."
"OpenJDK Java could be improved by making version upgrades and long-term support management simpler, especially for organizations maintaining multiple Java applications across different environments."
"Regarding performance, I cannot provide specific details as I am a Java developer focused on development rather than infrastructure concerns."
"Comparing OpenJDK Java with Python and other scripting languages, I find it a bit bulky, as it takes a lot of effort to enable scripts in a system."
"I have not seen a return on investment with OpenJDK Java."
"The JVM startup time is noticeable for lightweight, one-off document parsing tasks; that warm-up overhead feels unnecessary compared to a Python script that starts instantly."
 

Pricing and Cost Advice

"Since AWS CDK is an open-source solution, it's free to use."
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Top Industries

By visitors reading reviews
Comms Service Provider
18%
Manufacturing Company
11%
Financial Services Firm
10%
University
10%
Construction Company
24%
Comms Service Provider
17%
Outsourcing Company
13%
Financial Services Firm
11%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business3
Midsize Enterprise3
Large Enterprise4
By reviewers
Company SizeCount
Small Business6
Midsize Enterprise5
Large Enterprise9
 

Questions from the Community

What is your experience regarding pricing and costs for AWS CDK?
The setup cost for AWS Cloud Development Kit (CDK) is based on how you are going to use things; it varies based on the conditions.
What needs improvement with AWS CDK?
To call AWS Cloud Development Kit (CDK), we just need to provide the credentials, which is important; without that, it will not be able to call. If that particular thing is on UAT or production, it...
What is your primary use case for AWS CDK?
My main use case for AWS Cloud Development Kit (CDK) is to communicate with AWS services rather than using it from the CLI or from the console. For example, if we have a service called S3 and our w...
What is your experience regarding pricing and costs for OpenJDK Java?
Since OpenJDK Java is open source, there are no licensing fees for using the runtime, which helps reduce costs.
What needs improvement with OpenJDK Java?
As an open source contributor, we are already working on some improvements to OpenJDK Java. Regarding needed improvements, the development is an ongoing process with many people already working on ...
What is your primary use case for OpenJDK Java?
My main use cases for OpenJDK Java include creating open source projects and working with the Spring Boot framework, as well as projects in the banking industry and various tech projects. I use Ope...
 

Overview

 

Sample Customers

Expedia, Intuit, Royal Dutch Shell, Brooks Brothers
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Find out what your peers are saying about AWS Cloud Development Kit (CDK) vs. OpenJDK Java and other solutions. Updated: September 2026.
921,523 professionals have used our research since 2012.