One website that is often recommended when people ask this question is Project Euler. Otherwise type "Java puzzles" or "Java exercises" or something similar into Google.
Type: Posts; User: Junky
One website that is often recommended when people ask this question is Project Euler. Otherwise type "Java puzzles" or "Java exercises" or something similar into Google.
The answer to all your questions is READ.
Read as many books as you can buy, borrow from the library, download off the net.
Read as many tutorials on the net as you can find.
Asking for other...