Lu, Yukuan

How to use Junit5, the java testing framework.

A special type of relation called "tree" in Discrete Mathematics.

Ref: Discrete Mathematical Structures, Sixth Edition, Bernard Kolman, Robert C. Busby, Sharon Cutler Ross.

Common binary tree algorithms from leetcode.

Common Linked List Algorithms on Leetcode.

Everything about U.S. F1 visa, such as its application, interview and its function.

Everything about I-20 form, which is essentional for U.S. visa application.

Introduces the anatomy of forearms and functions of major mucles on them.

Indroduces some triceps training. This article is part of my arms training plan.

Indroduces some forearms training. This article is part of my arms training plan.

Indroduces some biceps training. This article is part of my arms training plan.