Toddler is throwing things/tantrums etc 🤧

Idk why he does this.. 1 years old and doing this.. sometimes he hits me with stuff when hes mad.. i never taught him how to do this smh neither is his dad. Can someone help me? I need another 1 year old thats calm and doesnt throw tantrums when he doesnt get his way. i dont wanna hit him either . Hes my 1st baby