heartin's blog

Technology Focus At JavaJee For 2024

Submitted by heartin on Thu, 11/16/2023 - 10:18

As technology and methodologies continue to evolve, staying updated and enhancing our skills is essential. At JavaJee, we are committed to this journey of continuous learning and adaptation. For 2024, we have identified several key areas of focus, which we will update as our priorities evolve.

Java 21 is now the latest stable version, and our primary goal is to utilize Java 21 for all code on our website. We'll also be exploring the features and improvements of all Java versions released since Java 11.

Quick introduction to Java Programming Language

Submitted by heartin on Wed, 11/15/2023 - 19:09

Java is a high-level programming language that embraces object-oriented principles. It is inspired by the syntax and structure of C/C++, making it somewhat familiar to those who have worked with these languages.

Exercises (Java 101 - Getting Started with Java)

Submitted by heartin on Tue, 09/28/2021 - 00:01

  1. Write a HelloWorld program. Write a simple program with a main method that prints Hello World.

  2. Use package and import statement.

    1. Create a public class Hello1 that is part of a package com.javajee.package1.

      1. Add the standard main method that will be invoked by JVM.

      2. Add one more method called "main" with same signature as the standard main class, but with no arguments.

      3. In the new method, print something:

        • System.out.println("From Hello1 main");

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