How to create an object using sql*plus?

Hi,
I have tried to create an object , but after pressing enter key I could not get SQL command prompt or errors. How to come out from this? Could you help me to find what's wrong.
SQL> create type course as object(
2 course_no number(4),
3 title varchar(35),
4 credits number(1));
5
6
7
8
Thanks.

Put a slash "/" at the end of the command:
CREATE TYPE course AS OBJECT (
   course_no   NUMBER (4),
   title       VARCHAR (35),
   credits     NUMBER (1)
/

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How to create an object using sql*plus?

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