Java Utililty Methods Database Driver Load

String jdbcDriver = System.getenv("JDBC_DRIVER");
if (jdbcDriver == null) {
 jdbcDriver = "com.mysql.jdbc.Driver";
return Class.forName(jdbcDriver);

try {
 Class.forName(driverClassName).newInstance();
 return true;
} catch (ClassNotFoundException e) {
 return false;
} catch (IllegalAccessException e) {
 return true;
} catch (InstantiationException e) {
...