Connection conn=null;;
PreparedStatement ps=null;
ResultSet rs=null;
/* if you're using a non-Oracle JDBC Driver, add a call here to
DriverManager.registerDriver() to register your Driver
*/
// set the default connection to the URL, user, and password
// specified in your connect.properties file
Oracle.connect(TestInstallJDBC.class, "connect.properties");
conn = DefaultContext.getDefaultContext().getConnection();
conn.prepareStatement("DELETE FROM SALES").executeUpdate();
conn.prepareStatement(
"INSERT INTO SALES(ITEM_NAME) VALUES ('Hello JDBC!')").executeUpdate();
ps = conn.prepareStatement("SELECT ITEM_NAME FROM SALES");
rs = ps.executeQuery();
while (rs.next()) {
System.out.println(rs.getString(1));
}