Learn Java from Scratch - A Beginner's Guide - Step 14 - Java Reference Types – Conclusion

The video tutorial covers the differences between reference and primitive variables, exploring how they are stored and initialized in memory. It delves into Java's String class and its alternatives, String Builder and String Buffer, and discusses puzzles related to strings. The tutorial also explains the purpose and methods of Java's wrapper classes, which correspond to primitive types. Additionally, it explores local date and time APIs, demonstrating methods to extract and manipulate date information. The importance of understanding and exploring Java's inbuilt APIs is emphasized, highlighting the need to know what can and cannot be done with them.

What is the difference between a reference variable and a primitive variable?

What are the different primitive types discussed in the section?

Explain the purpose of wrapper classes in Java.

What methods can be used to compare dates in Java?

Why is it important to understand inbuilt APIs in Java?