Write a program in PL/SQL to FETCH more than one record and single column from a table

DECLARE
  v_emp_name VARCHAR2(20);
  CURSOR cur_emp_name IS
    SELECT first_name
    FROM   employees;

BEGIN
  OPEN cur_emp_name;
  LOOP
    FETCH cur_emp_name
    INTO  v_emp_name;
    EXIT
  WHEN cur_emp_name%NOTFOUND;
    dbms_output.put_line('Name of employee: ’
    || v_emp_name);
  END LOOP;
  CLOSE cur_emp_name;
END;
/