pl/sql

guys , am getting error on the following pl/sql ..pls help...not sure if am on the right track?
*************
Declare

Type Emp_Table Is Table Of Emp%RowType Index By Binary_Integer;
Emp_T Emp_Table;

Begin
Select * Bulk Collect Into Emp_T
From Emp;

For I In 1..Emp_T.Count Loop
If Emp_T(I).ename like '%K%' Then
dbms_output.put_line(Emp_T(1).ename);
End If;
End loop;
End;
************
have table emp( empno(pk), ename, job, sal) how can i declare a pl/sql table of employee name type, populate the pl/sql with all employee information , & then loop thro pl/sql table to find out whose name has letter k as middle character.