MJ#25: Packages in Java

In Java, packages are a way to organize and encapsulate classes and interfaces into a hierarchical structure. They provide a mechanism for grouping related types, which helps in avoiding naming conflicts and enhances code organization. A package is essentially a directory that contains a collection of Java classes and interfaces, along with sub-packages. Here are …

MJ #11: Method Overloading in java

Method overloading is a feature in Java that allows you to define multiple methods in the same class with the same name but different parameter lists. These methods can have different numbers or types of parameters. Method overloading is a form of polymorphism, where the same method name is used to perform different operations based …

MJ #6: Operators in Java

In Java, operators are special symbols that perform specific operations on operands. Operands can be variables, literals, or expressions. Java supports a wide range of operators categorized into several types: 1. Arithmetic Operators: Arithmetic operators are used for mathematical calculations. OperatorDescriptionExample+Additiona + b-Subtractiona - b*Multiplicationa * b/Divisiona / b%Modulus (Remainder)a % b++Incrementa++ or ++a--Decrementa-- or …

MJ #5: Strings and String Concatenation in Java

Strings are used for storing text. A String variable contains a collection of characters surrounded by double quotes: String greeting = "Hello"; A String in Java is actually an object, which contain methods that can perform certain operations on strings. For example, the length of a string can be found with the length() method: String txt = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"; System.out.println("The …

Mastering Java (MJ) with The Web Spark

As of today, I am planning to start a blog series to learn and master Java programming language. The motive to create this blog series on The Web Spark is to learn Java and help others learn it as well. We will be publishing daily blog posts of various topics in core java basic concepts and advanced concepts covered in-depth.

My experience as AWS Community builder for 2021

Is it one year already? Wow time was delivered as fast as CloudFront deliver content 😊  Around this time last year, I was doubting myself about applying for the Community Builders program. I did some research before applying to give me some comfort. I discovered that the number of applications was huge but that was not …

Spring Boot-Series Part 1: Setting up the maven based Spring boot application in STS or Eclipse IDE

We can create a simple spring boot project with spring initialzr or directly in STS. We will use spring initializr for this tutorial to create an simple spring boot project. Required softwares are: Java JDKSTS 4Maven 3.5Postman Let us get started. 🙂 Step 1: Go to https://start.spring.io/ Step 2: Fill the details like Project type …

How to improve the Time to First Byte(TTFB) of your web app?

TTFB measures the duration from the user or client making an HTTP request to the first byte of the page being received by the client's browser. TTFB size is seen as a benchmark of a well-configured server application. Few points to consider which can help reduce the TTFB of your application. First Check your network …

Creating a custom page template in WordPress

The appearance of all the pages and posts that are created on a WordPress website is handled by a template file named page.php. Basic knowledge of HTML CSS and PHP is required to create a custom template in WordPress. Let us begin to add a custom page template to an existing theme. Step 1) Navigate to …

Solved: How to increase the speed of WAMP server?

If WordPress running too slow on localhost and taking too much time to load. You can fix this issue very easily. Solution 1: Disable CGI_module in Wamp's Apache server. 1: Right click on WAMP > Apache > Apache Modules> uncheck “cgi_module” Method 2: Edit httpd.conf and disable the loading of the CGI module by commenting …

Building a JIRA Cloud Plugin

Atlassian offers Atlassian Connect Framework for building JIRA Cloud Plugin. Plugin handles discovery, installation, authentication, and seamless integration of plugin into the JIRA UI. JIRA Cloud REST API can also be used with the plugin with inbuilt authentication mechanism provided by Connect framework. Hello World Plugin Pre-requisites Code Editor (Notepad++ or VS Code) Knowledge of JavaScript(Node.js) Basic …