"Saya berasa bertenaga. Saya telah menyelesaikan hampir setiap tugas dalam tahap ini."
"Jika anda telah menyelesaikan segala-galanya, maka sudah tiba masanya untuk menonton video."
10
Tugasan
Java Collections, tahap, pelajaran
Terkunci
How does caffeine keep us awake?
Grab a cup of coffee, because you’ll desperately need it while watching this video :) You’ve probably heard about the pros and cons of caffeine. It can raise your blood pressure and make you feel anxious. But somehow it can also make you feel more focused, happy and energetic, even if you haven’t gotten enough sleep. Let’s figure out how it works.