Java2 courses · 8 one-hour sessions

Java Mastery

From your first compiled program to classes, interfaces, generics and streams.

Take the courses in order: each one builds on the one before.

Finish all 2 courses and get the Java Mastery certificate of completion, with your name, a link anyone can check, and one-click LinkedIn.

JavaCourse 1 of 2 · Java Mastery

The Fundamentals

Java from your first compiled program to arrays, collections, and real error handling.

4 sessions · 60 min eachBeginner

See the 4 sessions and start

Types, Control Flow, Collections & Methods

public class Main {
    public static void main(String[] args) {
        int[] scores = {88, 92, 76, 95};
        for (int s : scores) {
            System.out.println(s);
        }
    }
}

JavaCourse 2 of 2 · Java Mastery

Object-Oriented & Advanced Java

Classes, inheritance, interfaces, generics, and streams: the concepts behind real Java systems.

4 sessions · 60 min eachIntermediate

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Classes, Interfaces, Generics & Streams

public class Account {
    private double balance;

    public void deposit(double amount) {
        if (amount > 0) {
            balance += amount;
        }
    }
}