Read/Write Java Object to a File
Making use of object serialization and deserialization to read and write Java object to a file.
Check if a Java String is Numeric or Alphanumeric
We can make use of regular expressions to know if a string is numeric or alphanumeric in Java.
Age Calculator using Birth Date
Online tool to calculate age using the inputted birth date.
Using Java JDK 22 with IntelliJ IDE
I will be showing how to make Java JDK 22 with IntelliJ IDE in this article with steps.
Create React App using npm command with TypeScript
Make use of the template option to create a react application using npm command.
Track file Changes per Commit using Git Command
If you want to know when a file was added modified or updated using git command we can make use of the --name-status option.
How to install npm package manager on Mac?
We take a look at the steps to install the npm package manager on a Mac device.
npm command to create package.json
Let us take a look at creating the package.json file using the npm init command.
How to Disable Trackpad on MacBook
If you are using a external mouse and want to disable Macbook trackpad follow steps under Settings.
Fix - npm start: sh: index.js: command not found
How to fix the error - sh: index.js: command not found when starting a node js application using npm command.
Online Strong Random Password Generator
An online tool to let you generate random strong passwords with customization.
Online Regex Tester Tool
An easy-to-use online tool to test your regular expression against sample data.
Online UUID Generator Tool
The UUID Generator is a web-based tool that allows users to generate unique identifiers (UUIDs) of version 4 (UUIDv4), which are randomly generated.
Online Hash Generator (MD5, SHA-1, SHA-256)
Hash Generator tool is a simple and easy-to-use tool that allows you to generate hashes of any text input using various hashing algorithms.
Online Lorem Ipsum Text Generator Tool
A tool that generates Lorem Ipsum text, a placeholder text commonly used in web design, graphic design, and publishing.
Online Timestamp Converter (Epoch/Unix) Tool
A simple online web app that converts Unix timestamps (Epoch) into human-readable date and time strings in various formats and timezones.
How to reduce background noise in Audio using iMovies App on Mac?
Let us take a look at how we can reduce background noise in Audio using the iMovies App on Mac.
java.util.Optional Class Deep Dive Tutorial
Let us take a deep dive in the java.util package Optional class in Java.
When to use of() and ofNullable() methods of Optional in Java?
We answer when to make use of () and ofNullable() methods of Optional in Java.
How to create an Optional from existing Object in Java?
Let us take a look at how we can create an Optional from an existing Object in Java.
Java Program: Convert String to Double
Write a Java program to convert a String to Double.
Java Stream Convert List of Objects to List of Strings
Let us take a look at an example of how to convert a list of objects to a list of strings using Streams.
How to check if Java String is Empty or Null
Let us take a look at how to check if a String in Java is Empty or Null.
How to Join Two Arrays in Java using Stream API?
Let us take a look at how to join two arrays in Java using Stream API.
How to find duplicate elements in Java Stream?
Let us take a look at how to find duplicate elements in a Java Stream.