"Hi, Amigo!"

"Hi, Julio."

"Well, how's it going? Have you mastered design patterns?"

"Mastered? No, but I've certainly gotten acquainted with them."

"Okay, good. After your hard mental work, you need to relax. You sit down, and I'll find something to watch."

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Task
Java Collections, level 7, lesson 13
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The mathematical secrets of Pascal's triangle
Pascal’s triangle isn’t just a neatly arranged stack of numbers. It has more secrets and patterns than you can imagine. Want to learn about how can you use Pascal’s triangle to solve real life problems? Then watch this short educational video by Ted-Ed.