private final static String DB_DRIVER = "org.h2.Driver";
private final static String DB_URL = "jdbc:h2:~/test";
private final static String DB_USERNAME ="sa";
private final static String DB_PASSWORD = "";

public Connection getConnection(){
    Connection connection = null;
    try {
        Class.forName(DB_DRIVER);
        connection = DriverManager.getConnection(DB_URL, DB_USERNAME, DB_PASSWORD);
        System.out.println("Connection OK");
    }catch(SQLException e){
        e.printStackTrace();
        System.out.println("Connection ERROR");
    }
    catch (ClassNotFoundException e){
        e.printStackTrace();
        System.out.println("Connection ERROR");
    }
    return connection;
}

public static void main(String[] args) {
    Util util = new Util();
    util.getConnection();
}

<?xml version="1.0" encoding="UTF-8"?>

<groupId>com.jdbc.tutorial</groupId>
<artifactId>jdbc-tutorial</artifactId>
<version>1.0-SNAPSHOT</version>

<dependencies>
    <!-- https://mvnrepository.com/artifact/com.h2database/h2 -->
    <dependency>
        <groupId>com.h2database</groupId>
        <artifactId>h2</artifactId>
        <version>1.4.196</version>
        <scope>test</scope>
    </dependency>
</dependencies>