Capitalize first letter of each word using java

What if letter is initially in uppercase

Smooth thank you

I want to make this in setName, but when I write full name , ıt always shows me the last name,how can I fix it?

Last character of every word to upper case

I mean last character should be capitalize

What if i want to come from last

Hello sir

Thanks a lot Sir for easy Explaination.

the best