//import java.sql.DriverManager;
//import java.sql.SQLException;
import java.sql.*;
public class DatabaseConnect {
    public static void main(String[] args) throws Exception
    {
        connDatabase();
    }
    public static void connDatabase()
    {
        try {
            Class.forName("oracle.jdbc.OracleDriver");
            Connection conn = DriverManager.getConnection("jdbc:oracle:thin:@192.168.10.150:1521/orcl11g","xielong","xielong");
            System.out.println(conn);
            Statement s = conn.createStatement();
            String sql="select * from xielong";
            ResultSet result=s.executeQuery(sql);
            while(result.next()) {
                int age = result.getInt("age");
                String name = result.getString("name");
                System.out.println(name+"今年"+age+"歲了！");
            }
        } catch (ClassNotFoundException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        } catch (SQLException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
    }
}

java.lang.ClassNotFoundException: oracle.jdbc.orace.OracleDriver
	at java.net.URLClassLoader.findClass(URLClassLoader.java:382)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
	at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:349)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
	at java.lang.Class.forName0(Native Method)
	at java.lang.Class.forName(Class.java:264)
	at DatabaseConnect.connDatabase(DatabaseConnect.java:14)
	at DatabaseConnect.main(DatabaseConnect.java:9)
 
Process finished with exit code 0

DriverManager.getConnection("jdbc:oracle:thin:@192.168.10.150:1521：orcl11g","xielong","xielong");