conn.setTransactionIsolation(Connection.TRANSACTION_READ_COMMITTED);
Assert.assertEquals(Connection.TRANSACTION_READ_COMMITTED, conn.getTransactionIsolation());
conn.getWarnings();
conn.clearWarnings();
conn.getTypeMap();
conn.setTypeMap(null);
conn.setHoldability(ResultSet.CLOSE_CURSORS_AT_COMMIT);
Assert.assertEquals(ResultSet.CLOSE_CURSORS_AT_COMMIT, conn.getHoldability());