Java Utililty Methods JDBC Connection Create

return DriverManager.getConnection(url, userName, password);

return DriverManager.getConnection(url, username, password);

try {
    Class.forName(driver);
    Properties prop = new Properties();
    prop.setProperty("user", username);
    prop.setProperty("password", password);
    Connection con = DriverManager.getConnection(url, prop);
    return con;
} catch (Exception e) {
...

Connection conn = tl.get();
if (conn == null) {
    conn = getConnection();
return conn;

Connection conn = null;
try {
    Properties props = new Properties();
    props.put("remarksReporting", "true");
    props.put("user", user);
    props.put("password", pwd);
    Class.forName(driver);
    conn = DriverManager.getConnection(url, props);
...

try {
    final Connection conn = DriverManager.getConnection(dbUrl, dbUser, dbPassword);
    conn.setAutoCommit(false);
    return conn;
} catch (Exception e) {
    throw new RuntimeException("Cannot get connection", e);

if (DB_DRIVER == null) {
    DB_DRIVER = System.getProperty("DB_DRIVER");
    DB_URL = System.getProperty("DB_URL");
    DB_USER = System.getProperty("DB_USER");
    DB_PASSWORD = System.getProperty("DB_PASSWORD");
Connection dbConnection = null;
try {
...

String odbcDataSourceName = "test1";
String userName = "test1";
String password = "test1";
return getJdbcOdbcConnection(odbcDataSourceName, userName, password);

Class.forName("org.mariadb.jdbc.Driver");
return DriverManager.getConnection("jdbc:mariadb://localhost:3306/" + DB, DB_USER, DB_PASS);

Class.forName("com.salesforce.phoenix.jdbc.PhoenixDriver");
String connectionURL = "jdbc:phoenix:" + zkQuorum;
Connection r = DriverManager.getConnection(connectionURL);
r.setAutoCommit(true);
return r;