Introduction to Programming
Programming is a process to communicate with electronic devices like computers, phones, etc. As a beginner, you might find programming a bit overwhelming.
But with consistent practice, you will learn programming, and you will find yourself creating your own applications, websites, and even solving real-world problems.
Table of Contents
Why do we need to learn Programming?
Suppose You want to communicate with other person in Real-Life then you need to speak in the language that other person can understand likewise if you want your computer to perform some task like adding two numbers then you need to give your computer a sets of instructions.
Now the problem is the computers only understands Binary Language (0 and 1). Because the computer works on electricity and uses electrical circuits inside. So when the power passes from Electrical circuits we represent it as 1 and when we don’t have any power passes from Electrical circuits we represent it as 0, That’s Why computers only understands binary language.
Suppose You want to communicate with another person in Real-Life then you need to speak in the language that the other person can understand.
likewise, if you want your computer to perform some task like adding two numbers then you need to give your computer sets of instructions.
Now the problem is the computers only understand Binary Language (0 and 1). Because the computer works on electricity and uses electrical circuits inside.
So when the power passes from Electrical circuits we represent it as 1 and when we don’t have any power passes from Electrical circuits we represent it as 0, That’s Why computers only understands binary language.
So the problem is for us humans it’s hard to understand Binary Language (100110011). So That’s to fulfill this gap between humans and computers We Introduce Programming Languages.
What is a Computer Program?
A program is a piece of code or set of instructions that tells a computer how to perform a task. Let’s understand it by an Analogy A Computer program is like a recipe that contains all the instructions on how to perform a specific task.
A computer is like a cook that reads all the instructions and a executes a task for us. A recipe is a list of instructions for a cook to follow and a program is a list of instructions for a computer to execute.
Popular Programming Language
Introduction to Java Programming
Java is one of the most popular and powerful programming languages. Java is a high-level, object-oriented programming language developed by Sun Microsystems in 1995. Whether you’re developing desktop applications, mobile apps, web applications, or enterprise-level solutions, Java is a strong and reliable choice. This article provides a beginner-friendly introduction to Java Programming, its features, and why you as aspiring developer must learn java programming language.
What is Java Programming Language?
Java is a high-level, object-oriented programming language developed by James Gosling at Sun Microsystems in 1995. Java is a platform-independent language, which means Java code compiled on one platform can run on any other platform that has a Java Virtual Machine (JVM), which makes Java a Write Once, Run Anywhere (WORA) language.
Key Features of Java Programming Language
| Features | What it means |
|---|---|
Platform Independent |
Java is famous for its Write Once, Run Anywhere (WORA) feature, which means Java code compiled on one platform can run on any other platform that has a Java Virtual Machine (JVM). Like streaming apps like Primevideo, netfilx, etc, which can run on multiple devices. |
Object-Oriented |
Java is object oriented programming language. which treats everything as an object, like a LEGO building block, to build something. |
Secure |
Java provides built-in security features like bytecode verification, runtime security checks, and an extensive API for developing secure applications. |
Robust and Stable |
Java handles memory management and exception handling effectively, making applications more reliable and crash-resistant. |
Multithreading |
Java program can run multiple tasks at once using multiple threads. It’s like doing multiple tasks at once using your computer. ex: Playing a music while writing a code. |
Rich API and Libraries |
Java has a vast set of libraries and APIs for handling everything from networking and database access to GUI development and XML parsing. |
Portable |
Runs on different systems |
Basics of Java Programming Language:
- Variables
- Data-Types
- Operators
- Conditional-Statements
- Loops
- Functions or Methods
- Arrays and Strings
- Classes and Objects
Java Programming Language in Daily Life:
- Mobile application Development: Java is used to develop mobile applications using Android Studio and Other powerful IDEs like Eclipse and NetBeans.
- Desktop GUI Applications: Java is also used for developing GUI Based applications for desktops.
- Web Applications: Java simplifies web app development using Frameworks providing secure and scalable solutions.
Final Thoughts
Java is a timeless and essential programming language that every serious developer should learn. With its robust features and wide industry use, Java is a powerful language to build robust and scalable software applications.
Whether you’re aiming to build mobile apps, web servers, or cloud-based solutions, Java is a language you can learn and acquire skills to thrive in the software development world.
What's Next?
Want to dive deeper? You can explore:
- 🔹 Java Data Types & Variables
🔹 Object-Oriented Programming in Java
🔹 Build Your First Java Project
🔹 Java vs Kotlin for Android
🔹 To Do List App in Android Using Java
