Skip to main content

Part 10: Working with APIs in JavaScript

  Working with APIs in JavaScript Outline: 1. Introduction to APIs: 1.1 Definition of APIs: Explanation of what an API (Application Programming Interface) is. Understanding the role of APIs in web development. Types of APIs:  RESTful APIs, SOAP APIs, etc. 1.2 Importance of APIs in Web Development: How APIs facilitate communication between different software systems. Use cases of APIs in modern web development. Examples of popular APIs and their impact. 2. Making API Requests: 2.1 HTTP Methods: Overview of common HTTP methods: GET, POST, PUT, DELETE. Explanation of when to use each HTTP method. 2.2 Fetch API: Introduction to the Fetch API in JavaScript. Making simple GET requests with Fetch. Handling responses from Fetch requests. 2.3 Sending Data in API Requests: Using POST requests to send data to the server. Handling different types of data (JSON, form data) in API requests. 3. Handling API Responses: 3.1 Parsing JSON: Importance of JSON (JavaScript Object Notation) in API r...
Post a Comment

Setting Up Your Development Environment

 

Installing IntelliJ IDEA Community Edition IDE

Step 1: Download IntelliJ IDEA

  1. Go to the IntelliJ IDEA download page: https://www.jetbrains.com/idea/download/ (Note: The link might change over time, so it's best to search for "IntelliJ IDEA download" if the link is no longer valid.)
  2. Download the version suitable for your operating system (Windows) and follow the instructions for downloading the Community or Ultimate edition. The Community edition is free and sufficient for most Java development tasks.

Step 2: Install IntelliJ IDEA

  1. Locate the downloaded IntelliJ IDEA installer file and double-click on it to start the installation.
  2. Follow the on-screen instructions to complete the installation. You can usually accept the default settings during the installation process.

Step 3: Configure IntelliJ IDEA for Java Development

  1. Launch IntelliJ IDEA after the installation is complete.
  2. You will be prompted to choose the UI theme and keymap. Select the options you prefer or keep the defaults.
  3. When prompted, choose whether you want to import settings from a previous installation or start with default settings. If this is your first time, you can select "Do not import settings" to start with the defaults.

Step 4: Set Up JDK in IntelliJ IDEA

  1. When you first launch IntelliJ IDEA, it will automatically detect the JDK installed on your system. If you have multiple JDK versions installed, you can choose the appropriate one.
  2. To manually set up the JDK, go to "File" > "Project Structure" (or press Ctrl + Shift + Alt + S).
  3. Under "Platform Settings," click on "SDKs." Then click the "+" button to add a new JDK.
  4. Navigate to the directory where you installed the JDK (e.g., C:\Program Files\Java\jdk1.8.0_301) and select the root folder. Click "OK" to save your JDK configuration.

Step 5: Check Environment Variables for Java Development

  1. To ensure that your environment variables are set up correctly, you can open the Command Prompt (Windows Terminal) again.
  2. Type java -version and press Enter. This should display the installed Java version. If it shows the version you installed earlier, your environment variables are set up correctly.
  3. Additionally, type javac -version and press Enter. This should display the Java compiler version. If it shows the same version as java -version, then your Java development environment is properly configured.

That's it! You have now installed IntelliJ IDEA, configured a well-optimized development environment for Java, and checked if your environment variables are set up correctly. You're all set to start coding Java projects using IntelliJ IDEA. Happy coding!

Step by step guide of installation of IntelliJIDEA IDE with screenshots

I followed the above instructions and clicked on the link to install IntelliJ IDEA IDE and got a screen from website as shown below:

Scroll down to this screen and click on Download to download the IntelliJ IDEA Community Edition which is free:

You will get the following screen:

Click on ideaIC-2023.2.exe file to install the IDE software on your windows computer. You will come on the following screen:



Click on Next button. You will get this screen:

Click on Next to accept the default Destination Folder or click on Browse to select your desired destination folder and then click on Next. You will get the following screen:

Click on Next again you will get this screen:

Click on Install your installation will start and you will get this screen:

It will take some time to install depending on speed of your computer and you will come up to this screen.

Click on Finish your installation is now completed.

Launch IntelliJ IDEA IDE by clicking on windows start and then clicking on IntelliJ IDEA program from recently added apps and you will get this screen:

Click on New Project you will get the following screen:


It configured the JDK 20 automatically as shown in green rectangle in the above screen. If your JDK is not configured automatically, please follow the above instructions in Step 4: Set Up JDK in IntelliJ IDEA. Hopefully these screenshots will help you in the installation of IntelliJ IDEA IDE. Happy coding!




Labels:

Comments

Post a Comment

Popular posts from this blog

Part 9: Asynchronous Programming in JavaScript

Part 9: Asynchronous Programming in JavaScript Outline: 1. Introduction to Asynchronous Programming Definition of Asynchronous Programming Importance in Web Development Comparison with Synchronous Programming 2. Understanding JavaScript's Single-Threaded Model  Brief Explanation of JavaScript's Event Loop How Asynchronous Operations Fit into a Single Thread 3. Callbacks Explanation of Callback Functions Common Use Cases Callback Hell and Its Challenges 4. Promises Introduction to Promises as a Better Alternative to Callbacks Promise States: Pending, Fulfilled, Rejected Chaining Promises for Sequential Asynchronous Operations Error Handling with Promises 5. Async/Await Introduction to Async/Await as a Syntactic Sugar for Promises Writing Asynchronous Code in a Synchronous Style Error Handling with Async/Await 6. Event Listeners Asynchronous Nature of Event Listeners Handling User Interactions Asynchronously Examples of Asynchronous Event Handling 7. Timers and In...
Post a Comment
Read more

Part 8:What is DOM Manipulation in JavaScript?

What is DOM Manipulation in JavaScript? Welcome to Part 8 of our JavaScript Step by Step series! In this part, we will find out, what is DOM Manipulation in JavaScript? DOM (Document Object Model) manipulation using JavaScript is a programming interface for web documents. It represents the page so that programs can change the document structure, style, and content. What is the DOM? The DOM is a tree-like structure that represents the HTML of a web page. Each element in the HTML document is represented as a node in the DOM tree. These nodes are organized in a hierarchical structure, with the document itself at the root and the HTML elements as its branches and leaves. Here's a simple example of the DOM tree structure for a basic HTML document: <! DOCTYPE html > < html > < head >         < title > My Web Page </ title > </ head > < body >         < h1 > Hello, World! </ h1 >      ...
Post a Comment
Read more

Learning JavaScript Step by Step - Part 7: Objects

Part 7: Objects in JavaScript What Are Objects? Objects in JavaScript are collections of key-value pairs. They're used to represent entities with properties and behaviors. Here's how you create an object: let person = {     name : " Alice " ,     age : 30 ,     isStudent : false }; 1. Curly braces {} define an object. 2. Each property is a key-value pair separated by a colon. Accessing Object Properties You can access object properties using dot notation or bracket notation: console . log (person . name) ; // Output: "Alice" console . log (person[ " age " ]) ; // Output: 30 Modifying Object Properties To change the value of an object property, simply assign a new value to it: person . age = 31 ; console . log (person . age) ; // Output: 31 Adding and Deleting Properties You can add new properties to an object or delete existing ones as needed: person . country = " USA " ; // Adding a new property delete person . isStudent ; /...
Post a Comment
Read more

Learning JavaScript Step by Step - Part 6: Arrays

Part 6: Arrays in JavaScript Welcome back to our JavaScript learning journey! In this part, we'll dive into one of the essential data structures: arrays. These are fundamental building blocks in JavaScript that enable you to work with collections of data and create more complex data structures. Creating Arrays An array is a collection of values, which can be of any data type, stored in a single variable. There are two methods of creating arrays in JavaScript: Method 1: Using Array Literals In this method, you directly list the elements you want to include within the array.This is the most common and convenient way to create an array. You define the array by enclosing a list of values inside square brackets []. Example: / Creating an array of numbers let numbers = [ 1 , 2 , 3 , 4 , 5 ] ; // Creating an array of strings let fruits = [ " apple " , " banana " , " cherry " ] ; // Creating an array of mixed data types let mixedArray = [ 1 , ...
Post a Comment
Read more

Learn JavaScript Step by Step Part 4 Control Flow

Part 4: Control Flow in JavaScript Welcome to the next part of our JavaScript journey! In this segment, we'll explore control flow in JavaScript. Control flow allows you to make decisions in your code and execute specific blocks of code based on conditions. It's a fundamental concept in programming. At the end of this blog you will get a quiz to test your understanding of this topic. Let's dive in! Conditional Statements: Making Decisions Conditional statements are used to make decisions in your code. They allow your program to take different actions depending on whether a certain condition is true or false. 1. If Statement:  The if statement is the most basic conditional statement. It executes a block of code if a specified condition evaluates to true. let age = 18 ; if (age >= 18 ) {     console . log ( " You are an adult. " ) ; } If you run the code in VS Code, the output will be: Output: You are an adult. 2. Else Statement:  You can use the else stateme...
Post a Comment
Read more

Learn JavaScript Step by Step Part 5 Functions

Part 5: Functions in JavaScript In this part, we'll dive into the exciting world of functions in JavaScript. Functions are like superpowers for your code. They allow you to encapsulate reusable pieces of logic, making your code more organized, efficient, and easier to maintain. We'll explore what functions are, how to declare them, and how to use them effectively. What Is a Function? Imagine a function as a mini-program within your program. It's a self-contained block of code that performs a specific task or calculation. Functions are designed to be reusable, so you can call them whenever you need that specific task done without writing the same code over and over. Declaring a Function: To declare a function, you use the function keyword followed by a name for your function. Here's a simple function that adds two numbers: function addNumbers ( a , b ) {     let result = a + b ;     return result ; } function: The keyword that tells JavaScript you're creating...
Post a Comment
Read more