Merge branch 'main' into completed

Author: shryhus

0-0-intro/README.md

@@ -1,4 +1,5 @@
 # <img src="https://raw.githubusercontent.com/bobocode-projects/resources/master/image/logo_transparent_background.png" height=50/>Introduction
+
 Learn how to use this course to build strong skill needed for enterprise Java development 
 
 ## The only way to learn effectively is to **learn by doing!** 💪
@@ -26,6 +27,3 @@ _(we know it's silly, but we wanted to give you a simple example 😀)_
 * switch to branch `completed` and **see the correct implementation** of the exercise
 * [join the discussion](https://github.com/bobocode-projects/java-fundamentals-course/discussions) on the GitHub
 * contact us via [email protected]
-
-##
-<div align="center"><img src="https://raw.githubusercontent.com/bobocode-projects/resources/master/animation/GitHub%20Star_3.gif" height=50/></div>

1-0-java-basics/1-3-0-hello-generics/README.MD

@@ -22,8 +22,7 @@ regardless if you apply them to Integer, String or any other types.** So in orde
 types we need some form of type parametrization. Of course, we can use `Object` and store anything we want, but
 it is not safe. Using `Object` requires runtime casting which can cause runtime exceptions.
 
-##
-
+---
 #### 🆕 First time here? – [See Introduction](https://github.com/bobocode-projects/java-fundamentals-course/tree/main/0-0-intro#introduction)
 #### ➡️ Have any feedback? – [Please fill the form ](https://forms.gle/Q5aEmF8E86fbZ4rXA)
 

1-0-java-basics/1-3-1-crazy-generics/README.MD

@@ -21,6 +21,8 @@ runtime to compile time and makes type parametrization safer.**
 ### Related materials ℹ️
 * [Effective Java, Chapter 5 – Generics](https://read.amazon.com/kp/embed?asin=B078H61SCH&preview=newtab&linkCode=kpe&ref_=cm_sw_r_kb_dp_SADNB2C41TWARGY4QGKZ) 📘
 
+### Exercise overview 🇺🇦
+[![Linked List](https://yt-embed.herokuapp.com/embed?v=EaL5KsSlEQM)](https://youtu.be/EaL5KsSlEQM)
 
 ---
 #### 🆕 First time here? – [See Introduction](https://github.com/bobocode-projects/java-fundamentals-course/tree/main/0-0-intro#introduction)

1-0-java-basics/1-5-0-hello-annotations/README.MD

@@ -14,5 +14,8 @@ Learn annotations basics to better understand how the frameworks use them 💪
 #### 🆕 First time here? – [See Introduction](https://github.com/bobocode-projects/java-fundamentals-course/tree/main/0-0-intro#introduction)
 #### ➡️ Have any feedback? – [Please fill the form ](https://forms.gle/UADe1YKHiFVXQJLF8)
 
+### Exercise overview 🇺🇦
+[![Linked List](https://yt-embed.herokuapp.com/embed?v=KF1H2EOCdD4)](https://youtu.be/KF1H2EOCdD4)
+
 ##
 <div align="center"><img src="https://raw.githubusercontent.com/bobocode-projects/resources/master/animation/GitHub%20Star_3.gif" height=50/></div>

2-0-data-structures-and-algorithms/2-2-1-node/README.MD

@@ -1,4 +1,4 @@
-# <img src="https://raw.githubusercontent.com/bobocode-projects/resources/master/image/logo_transparent_background.png" height=50/>Node exercise :muscle:
+# <img src="https://raw.githubusercontent.com/bobocode-projects/resources/master/image/logo_transparent_background.png" height=50/>Node exercise 💪
 
 Build strong skill of creating and linking **nodes – building blocks** that are used in order to create **LinkedList**, **LinkedQueue** and other
 important data structures 💪

5-0-functional-programming/5-3-1-crazy-optionals/README.md

@@ -10,7 +10,7 @@ To verify your implementation, run `CrazyOptionalsTest.java`
   * [Stream API. Optional. Курс Enterprise Java <img src="https://raw.githubusercontent.com/bobocode-projects/resources/master/image/yt_icon_rgb.png" height=13/>](https://youtu.be/OD0hIs1cGmY)
 
 ### Exercise overview 🇺🇦
-[![Linked List](https://yt-embed.herokuapp.com/embed?v=FLHerCscKX8)](https://youtu.be/FLHerCscKX8)
+[![Linked List](https://yt-embed.herokuapp.com/embed?v=yyhD0QZGMRs)](https://youtu.be/yyhD0QZGMRs)
 
 ---
 #### 🆕 First time here? – [See Introduction](https://github.com/bobocode-projects/java-fundamentals-course/tree/main/0-0-intro#introduction)