import  java.sql.Connection;
 import  java.sql.DriverManager;
 import  java.sql.ResultSet;
 import  java.sql.Statement;

 import  oracle.jdbc.driver.OracleDriver;



 public   class  Connect {
	 public   static   void  main(String[] args) {
		String url = "jdbc:oracle:oci:@default";
		 try  {
		    DriverManager.registerDriver (
		         new  OracleDriver());
		}
		 catch  (Exception e) { System.out.println("no driver"); }
		
		 try  {
			Connection cn = 
			            DriverManager.getConnection (url,"scott","tiger"); 

			Statement st = cn.createStatement();
			ResultSet rs = 
			                st.executeQuery ("SELECT empno, ename FROM emp"); 

			 while  (rs.next()) {
			     System.out.println("Number=" + rs.getString( 1 ) + " " +
			                             "Name=" + rs.getString( 2 ));
			} 

			st.close();
			cn.close();
			}
		 catch  (Exception e) { e.printStackTrace();}
		
	}
}