Computer Programming

Dynamically creating PDF documents has become a common requirement for many Java programs. iTextPDF, a powerful Java library, provides developers with the tools to create, manipulate, and enhance PDF documents programmatically. In this two-part blog series, we will explore the fundamentals of generating PDF documents in Java using iTextPDF. In this first part, we will

There is an abundance of information available on the web. Extracting relevant data from websites can be a valuable skill for various purposes, such as market research, data analysis, and automation. In this guide, we will explore how to extract data from websites using Java and the Jsoup library. Specifically, we will be crawling the

In the realm of data processing and analysis, Excel files are a common and widely used format. Being able to efficiently read data from Excel files is a valuable skill for Java developers. Setting up the Dependencies To get started, you need to include the necessary dependencies in your Java project. In this case, we’ll

Excel spreadsheets are widely used for organizing and analyzing data in various fields. While there are dedicated tools for working with Excel files, such as Microsoft Excel itself, sometimes you may need to automate Excel operations using Java programming. Setting up the Dependencies To get started, you need to include the necessary dependencies in your

To see if a machine is connected to the internet using Java, try pinging a reputable and accessible host, such as Google’s public DNS server (8.8.8.8) and seeing if you receive a response. Here is a basic example: In the above example, the isInternetAvailable() method attempts to create an InetAddress object using the provided IP address

In today’s interconnected world, currency conversion is an essential task for many applications. In this blog post, we will explore how to build a currency converter in Java using the ExchangeRate-API. We’ll leverage the Apache HttpClient library and Google’s Gson library to make HTTP requests and handle JSON responses. So, let’s dive into the code

The code provided is an example of how to send emails using the JavaMail API. It demonstrates how to configure the email properties, set the sender, subject, and content of the email, and send it to one or multiple recipients. To run the code, you need to include the JavaMail API library and JavaBeans Activation