Main Deep Java Library Djl

Leo Migdal

-Nov 17, 2025, 2:39 AM

Deep Java Library (DJL) is an open-source, high-level, engine-agnostic Java framework for deep learning. DJL is designed to be easy to get started with and simple to use for Java developers. DJL provides a native Java development experience and functions like any other regular Java library. You don't have to be machine learning/deep learning expert to get started. You can use your existing Java expertise as an on-ramp to learn and use machine learning and deep learning. You can use your favorite IDE to build, train, and deploy your models.

DJL makes it easy to integrate these models with your Java applications. Because DJL is deep learning engine agnostic, you don't have to make a choice between engines when creating your projects. You can switch engines at any point. To ensure the best performance, DJL also provides automatic CPU/GPU choice based on hardware configuration. DJL's ergonomic API interface is designed to guide you with best practices to accomplish deep learning tasks. The following pseudocode demonstrates running inference:

The following pseudocode demonstrates running training: The Deep Java Library (DJL) is an open-source deep learning framework created by AWS (Amazon Web Services). It provides a high-level API for deep learning that is easy to use and integrates seamlessly with other Java-based applications. DJL supports various deep learning frameworks such as MXNet, TensorFlow, and PyTorch, allowing developers to choose the framework that best fits their needs. DJL simplifies the process of building, training, and deploying deep learning models in Java environments. It offers pre-trained models, inference APIs for deploying models to production, and tools for model debugging and visualization.

With its focus on Java, DJL enables Java developers to leverage the power of deep learning without having to switch to other programming languages or frameworks. Overall, DJL aims to democratize deep learning by making it accessible to Java developers and providing them with the tools and resources they need to build intelligent applications. Deep Java Library (DJL) primarily competes with other deep learning frameworks that offer Java bindings or native support. Some of the frameworks DJL competes with include: While DJL competes with these frameworks, its unique selling points include seamless integration with various deep learning frameworks like TensorFlow, PyTorch, and MXNet, as well as its focus on providing a high-level API for... Additionally, DJL's strong ties to AWS services and support make it a compelling choice for developers already invested in the AWS ecosystem.

An Engine-Agnostic Deep Learning Framework in Java A universal scalable machine learning model deployment solution The Java implementation of Dive into Deep Learning (D2L.ai) A universal scalable machine learning model deployment solution There was an error while loading. Please reload this page.

Artificial Intelligence is growing fast, and most developers associate it with Python. But what if you are a Java developer? Do you have to switch languages to bring AI into your projects? The answer is no. With the Deep Java Library (DJL), you can load, run, and even train machine learning models directly in Java. DJL is flexible and works with many model sources:

In this article, we will go through each type, explain what it means, and provide full Java code examples. DJL comes with a Model Zoo, which is a collection of pre-trained models ready for tasks like image classification and NLP. When to use: Quick experiments, prototyping, or when you need a simple model without downloading external resources. Deep Java Library (DJL) is an open-source, high-level, engine-agnostic Java framework for deep learning. DJL is designed to be easy to get started with and simple to use for Java developers. DJL provides a native Java development experience and functions like any other regular Java library.

You don't have to be machine learning/deep learning expert to get started. You can use your existing Java expertise as an on-ramp to learn and use machine learning and deep learning. You can use your favorite IDE to build, train, and deploy your models. DJL makes it easy to integrate these models with your Java applications. Because DJL is deep learning engine agnostic, you don't have to make a choice between engines when creating your projects. You can switch engines at any point.

To ensure the best performance, DJL also provides automatic CPU/GPU choice based on hardware configuration. DJL's ergonomic API interface is designed to guide you with best practices to accomplish deep learning tasks. The following pseudocode demonstrates running inference: The following pseudocode demonstrates running training: This module contains the core API of the Deep Java Library (DJL) project. It includes the following packages:

The latest javadocs can be found on here. You can also build the latest javadocs locally using the following command: The javadocs output is built in the build/doc/javadoc folder. You can pull the DJL API from the central Maven repository by including the following dependency in your pom.xml file: This folder contains examples and documentation for the Deep Java Library (DJL) project. Note: when searching in JavaDoc, if your access is denied, please try removing the string undefined in the url.

Main Deep Java Library Djl

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