Changing an expired database account password using SQL Developer is very simple. just follow the steps below.
1. In SQL Developer, right click on the connection with the expired password and select the "Reset Password" option from the context menu.
2. Next, enter the old password and the new passwords:
Not only is your password changed, but the connection properties are also updated automatically for you. So no need to go update the password on your connection after you change the password in the database.