Java Basics


Java Basics: A series of blog posts designed to introduce Java coders to the core concepts of their favorite language.

Java Basics: A series of blog posts designed to introduce Java coders to the core concepts of their favorite language.

Java Basics: A series of blog posts designed to introduce Java coders to the core concepts of their favorite language.

Welcome to Java Basics, a series of blog posts designed to introduce Java coders to the core concepts of their favorite language. This is the first post in that series. In it, we will explore the basics of Java syntax, including data types and operators.

Java is a statically typed language. That means that all variables must first be declared before they can be used. This gives the compiler information about what types of values are allowed in variables and allows the compiler to check for possible errors.

Java is also a strongly typed language. This means that once a variable is declared, it cannot hold values of other types unless those values are explicitly converted (more on this later).

To declare a variable, we must first specify its type – a category of data like int or String – followed by an identifier – the name we give the variable like numberOfFish or nameOfFishOwner. We use the assignment operator = with our declaration to assign an initial value to the variable.

int numberOfFish = 4;
String nameOfFishOwner = "Bubbles";

Our example declares two variables: one named numberOfFish which holds an int value of 4 and another named nameOfFishOwner which holds a String value of Bub

Java is a general-purpose, class-based, object-oriented computer programming language that was designed by James Gosling at Sun Microsystems in 1995. Now owned by Oracle Corporation, the Java language is used for developing web and mobile applications.

With the learning resources available online, learning how to code in Java has never been easier. If you are just starting out with Java, here is a basic introduction to Java and some of the more useful websites that can help you start coding in Java.

This tutorial series will introduce you to the core concepts of Java through examples and step-by-step instructions. The first post in this series will be an overview of the basic concepts of coding in Java, including what tools you’ll need to get started.

I’ve been meaning to write a series of introductory blog posts on Java for a while now. The reason I haven’t done that yet is because there are already so many great resources out there.

Coming up with something new is hard. It’s even harder when you’re working in a field where the great works were written long ago. There are no more unknowns in literary criticism, no more unread masterpieces waiting to be discovered. If you want to make your mark, you need to try a different approach.

In the same way, if you want to write introductory programming tutorials, it seems like it would be an uphill battle: what could you possibly say that hasn’t been said before?

But it turns out that there are still unexplored areas – at least in the world of programming languages. We just have to look further back in time to find them.

Most of the best books on Java were written around 2005. The language was new, and people were excited about it; everyone wanted to tell their story about how it compared with C++ or Ruby or whatever else they had used before. What had changed? What new concepts did Java introduce? How did those concepts compare with other languages? And so on and so forth…

But now

Java is a general-purpose, concurrent, object-oriented programming language developed by Sun Microsystems in 1991. It was originally designed for embedded systems and consumer electronics.

In this article, I will introduce you to some of the fundamental concepts of Java. Think of this introduction as a trailer to the movie that is to follow.

Getting Started with Java

This blog post will introduce you to some of the fundamental concepts of Java. Think of this introduction as a “trailer” to the movie that is to come.

The Java Tutorial is a practical guide for programmers who want to use the Java programming language to create applications. It is intended for students, researchers, teachers, engineers, artists and anyone else who wants to explore the world of programming with Java.

If you are new to programming in general or new to the Java programming language, this is the tutorial for you. If you are an experienced programmer or you have mastered other languages, this tutorial can help you learn how to write programs in the Java programming language.

The Java Tutorials assume that you are familiar with basic programming concepts—such as variables, arrays, and branching—and that you are comfortable using the command line and text editor of your choice.

A lot has changed since this trail was first written. A new version of the tutorial is available in the web site of Oracle Corporation here: http://docs.oracle.com/javase/tutorial/.

The Java Tutorials are practical guides for programmers who want to use the Java programming language to create applications. They include hundreds of complete, working examples, and dozens of lessons. Groups of related lessons are organized into “trails”.

The Java Language trail contains a Generics lesson that is suitable for beginners. The rest of the trails and lessons in the Java Tutorials cover the essentials of the Java programming language.


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