jdbcl連接oracle數據庫

java：

import java.sql.CallableStatement;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;
import java.sql.Types;


public class JieCheng {
	public static void main(String[] args) {
		int i = 0;
		try {
			Class.forName("oracle.jdbc.driver.OracleDriver");
			Connection conn = DriverManager.getConnection("jdbc:oracle:thin:@192.168.1.100:1521:orcl", "scott", "tiger");
			CallableStatement call = conn.prepareCall("{call jiecheng(?,?)}");
			call.setInt(1, 3);
			call.registerOutParameter(2,Types.INTEGER);
			call.execute();
			i = call.getInt(2);
			System.out.println(i+"------------------");
			conn.close();
		} catch (ClassNotFoundException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} catch (SQLException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
	}
}

pl/sql：

create or replace procedure jiecheng
(
in_i in number,
out_j out number
)
is
  ii number;
  n number;
  m number;
begin
     ii := in_i;
     m := 1;
     for i in 1..ii loop
         n := m*i;
         m := n;   
     end loop; 
     out_j := m;
     dbms_output.put_line(m||'------------');
end;
/