import java.sql.Connection;
import java.sql.DriverManager;
import java.util.Properties;
public class JdbcConnect {
public static void main(String[] args) throws Exception {
Connection conn1 = null;
Connection conn2 = null;
Connection conn3 = null;
Class.forName("sun.jdbc.odbc.JdbcOdbcDriver").newInstance();
String jdbcUrl = "jdbc:odbc:authors";
String user = "yourName";
String pwd = "mypwd";
conn1 = DriverManager.getConnection(jdbcUrl);
if (conn1 != null) {
System.out.println("Connection 1 successful!");
}
Properties prop = new Properties();
prop.put("user", user);
prop.put("password", pwd);
conn2 = DriverManager.getConnection(jdbcUrl, prop);
if (conn2 != null) {
System.out.println("Connection 2 successful!");
}
conn3 = DriverManager.getConnection(jdbcUrl, user, pwd);
if (conn3 != null) {
System.out.println("Connection 3 successful!");
}
conn1.close();
conn2.close();
conn3.close();
if (conn1.isClosed()) {
System.out.println("Connection 1 is closed");
}
if (conn2.isClosed()) {
System.out.println("Connection 2 is closed");
}
if (conn3.isClosed()) {
System.out.println("Connection 3 is closed");
}
conn1.close();
conn2.close();
conn3.close();
}
}