@SuppressWarnings("unchecked") public JdbcData(Connection connection,String table,boolean buffered){
  this.connection=connection;
  this.table=table;
  setBuffered(buffered);
  try {
    setColumnTypes(getJdbcColumnTypes());
  }
 catch (  SQLException e) {
    e.printStackTrace();
  }
}

@ SuppressWarnings ( "unchecked" ) public JdbcData ( Connection connection , String table , boolean buffered ) { this . connection = connection ; this . table = table ; setBuffered ( buffered ) ; try { setColumnTypes ( getJdbcColumnTypes ( ) ) ; } catch ( SQLException e ) { e . printStackTrace ( ) ; } }
initializes a new instance to query the data from a specified table using a specified jdbc connection . it is assumed the table columns are constant during the connection .
