Week 28 — What is the difference between abstract classes and interfaces in Java?

Week 27 — What does "write once, run anywhere" refer to in Java?

Week 26 — Where are the possible use cases for Java on microsystems?

Week 25 — What is a garbage collector and why do we use them?

Week 24 — What is the `RuntimeMXBean? in Java?

Week 23 — What is the Java's `Runtime` class and what does it do?

Week 22 — What is method chaining?

Week 21 — What is the builder pattern in java and how does it work?

Week 20 — What Is the volatile keyword in java?

Week 19 — What are annotations in Java and how can one use them?

Week 18 — What is the native keyword in Java?

Week 17 — What are the differences between int and Integer in Java

Week 16 — What is StringBuilder class in Java, and what are it's possible uses

Week 15 — What are Varargs in Java?

Week 14 — What are records in Java

Week 13 — What is the purpose of the final keyword?

Week 12 — What is an Exception?

Week 11 — What are the difference (and similarities) between Set, List & Map?

Week 10 — What are the main uses of the super keyword?

Week 9 — What is the (purpose of the) Scanner class?