Ruby on rails中怎么升级bundle？

Question

终端输入bundle install 显示bundler版本是1.15.1而最新是1.16.1，尝试了gem install bunlder，显示没有写入资格，求大神指点如何升级到1.16.1版本

Answer 1

final String url = "jdbc:oracle:thin:@localhost:1521:ORCL";
final String user = "store";
final String password = "store_password";
Class.forName("oracle.jdbc.driver.OracleDriver");
Connection con = DriverManager.getConnection(url, user, password);
return con;
}