Connect the Java driver to your database

Initialize the Java driver to connect to your database.


This code imports the necessary classes, sets up a CqlSession with a secure connect bundle, authenticates credentials, and specifies a default keyspace.

import com.datastax.oss.driver.api.core.CqlSession;
import com.datastax.oss.driver.api.core.cql.ResultSet;
import com.datastax.oss.driver.api.core.cql.Row;
import com.datastax.oss.driver.api.core.CqlSessionBuilder;
import com.datastax.oss.driver.api.core.cql.PreparedStatement;
import com.datastax.oss.driver.api.core.type.codec.TypeCodecs;

import java.nio.file.Paths;
import java.util.Arrays;
import java.util.List;

public class VectorTest {
    public static void main(String[] args) {
        // Initialize the Java driver
        String keyspace = "default_keyspace";
        CqlSessionBuilder builder = CqlSession.builder();
        builder.withAuthCredentials("token", System.getenv("ASTRA_DB_APPLICATION_TOKEN"));

        try (CqlSession session = {
            int v_dimension = 5;
            // ...

See the Java quickstart for details on how to add dependencies, connect to a Serverless (Vector) database, create a table and vector-compatible SAI (Storage-Attached Index), load data, and perform a similarity search.

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