import java.sql.*;    //Standard JDBC-Features
import oracle.jdbc.*; //Oracle JDBC Treiber
import oracle.sql.*;  //Oracle SQL-Features (optional)
import java.io.IOException;
import java.math.*;   //BigDecimal und BigInteger (optional)
//...
private void dbVerbindung() {
 try {
   // Laden des Treibers:
   Class.forName("oracle.jdbc.driver.OracleDriver");
   Connection conn = DriverManager.getConnection(
     "jdbc:oracle:thin:@oraculix:1521:DB05","scott","tiger");
   } catch(SQLException ex) { // SQL-Fehler abfangen
       //...
   } catch(IOException ex) { // E/A-Fehler abfangen
       //...
}