Using cursor display only NO,NAME of first three row without using For loop - DBMS (Cursor)

declare

cursor abc is select no,name from empmaster;

rec empmaster.no%type;

rec1 empmaster.name%type;

i number(2);

begin

open abc;

i:=1;

while i<4

loop

fetch abc into rec,rec1;

dbms_output.put_line(rec||'    '||rec1);

i:=i+1;

end loop;

close abc;

end;