Java Intro

What is Java?

Java is a programming language created in 1995. It runs on many devices, from computers to phones, and is used by over 3 billion devices worldwide. Java can work on different operating systems, like Windows, Mac, and Linux.

Why Use Java?

• Works on any platform: Java can run on different devices without changes.
• Object-oriented: It organizes code in a way that makes it easier to reuse and maintain.
• Memory-safe: Java manages memory automatically to prevent issues.
• Very popular: Millions of developers use Java and support each other.
• Still important: Java has been useful for over 20 years and is still widely used.

What is Java Used For?

• Mobile apps: Java is used to create Android apps.
• Big companies: Companies like Amazon and Netflix use Java for their systems.
• Big Data: Java helps manage large amounts of data with tools like Hadoop and Spark.
• Cloud computing: Java powers services that run on the internet.
• AI and Machine Learning: Java is used in systems that learn and make smart decisions.
• Web apps: Java is often used for building the backend of websites.
• Embedded devices: Java runs on small devices like sensors and printers.