Getting Started

Welcome to LangGraph4j! This guide will help you understand the core concepts of LangGraph4j, install it, and build your first application.

Installation

To use LangGraph4j in your project, you need to add it as a dependency.

Maven:

Make sure you are using Java 17 or later.

Latest Stable Version (Recommended):

<properties>
    <langgraph4j.version>1.8.20</langgraph4j.version> 
</properties>


<dependencyManagement>
  <dependencies>
    <dependency>
      <groupId>org.bsc.langgraph4j</groupId>
      <artifactId>langgraph4j-bom</artifactId>
      <version>${langgraph4j.version}</version>
      <type>pom</type>
      <scope>import</scope>
    </dependency>
  </dependencies>
</dependencyManagement>

<dependencies>
    <dependency>
        <groupId>org.bsc.langgraph4j</groupId>
        <artifactId>langgraph4j-core</artifactId>
    </dependency>
    
</dependencies>

(Note: Always check the Maven Central Repository for the latest version number.)

Development Snapshot Version: If you want to use the latest unreleased features, you can use a snapshot version.

<dependency>
    <groupId>org.bsc.langgraph4j</groupId>
    <artifactId>langgraph4j-core</artifactId>
    <version>1.8.20</version> 
</dependency>

You might need to configure your settings.xml or pom.xml to include the Sonatype OSS snapshots repository:

<repositories>
    <repository>
        <id>sonatype-oss-snapshots</id>
        <url>https://central.sonatype.com/repository/maven-snapshots</url>
        <snapshots>
            <enabled>true</enabled>
        </snapshots>
    </repository>
</repositories>