| Strategy for Defining Immutable Objects |
| Making your custom Data Structure / Object Iterable so that you can use a for loop to iterate it |
| Serializing your Data Structure / Object so that you can send it through network or save to disk |
| Making your Data Structure / Object Cloneable |
| History and Introduction of Functional Programming in Java |
| Mastering Java Streams: Real-Life Examples and Techniques |