ICoreEstablish (PlayerNguyenCore 1.0 API)

All Known Implementing Classes:

CoreEstablishMySQL, CoreEstablishSQLite
```
public interface ICoreEstablish
```
Represent for SQL Establish class

Method Summary

All Methods Instance Methods Abstract Methods Default Methods
Modifier and Type	Method	Description
`java.sql.Connection`	`openConnection()`	Open the connect to SQL
`default boolean`	`testConnect(boolean stackTrace)`	Test connection of this establish by making a dummy connect.

- Method Detail
  - openConnection
```
java.sql.Connection openConnection()
                            throws java.sql.SQLException
```
    Open the connect to SQL
    
    Returns:
    
    the SQL connection class (Connection)
    
    Throws:
    
    java.sql.SQLException - When the SQL cannot connect by errors
  - testConnect
```
default boolean testConnect(boolean stackTrace)
```
    Test connection of this establish by making a dummy connect.
    
    Parameters:
    
    stackTrace - Print the stack trace
    
    Returns:
    
    Whether can connect