Flash cards
Review the key moves
What is the main idea behind Java Introduction?
Lesson checks
Practice each idea before moving on
Short Mimo-style checks built from this lesson's code, terms, and sequence.
Which statement best captures the main point of this lesson?
Complete the missing token from the example code.
public ___ Main {Put the learning moves in the order that makes the concept easiest to apply.
What is Java?
Java is a popular and powerful programming language, created in 1995.
It is owned by Oracle, and more than 3 billion devices run Java.
It is used for
- Mobile applications (specially Android apps)
- Desktop applications
- Web applications
- Web servers and application servers
- Games
- Database connection
- And much, much more!
Why Use Java?
- Java works on different platforms (Windows, Mac, Linux, Raspberry Pi, etc.)
- It is one of the most popular programming languages in the world
- It has a large demand in the current job market
- It is easy to learn and simple to use
- It is open-source and free
- It is secure, fast and powerful
- It has huge community support (tens of millions of developers)
- Java is an object oriented language which gives a clear structure to programs and allows code to be reused, lowering development costs
- As Java is close to C++ and C# , it makes it easy for programmers to switch to Java or vice versa
Java Example
Java is often used in everyday programming tasks, like saying hello to a user:
Example
public class Main {
public static void main(String[] args) {
String name = "John";
System.out.println("Hello " + name);
}
}By the end of this tutorial, you will know how to write basic Java programs and apply your skills to real-life examples.
You don't need any prior programming experience - just curiosity and practice!
Follow the tutorial in order. Each chapter builds on the previous one.