Java

Create Temporary File in Java

In this tutorial, we are going to learn how to create a new temporary file in a Java program by using core Java API.

jsoup extract custom data attributes of HTML5 Element in Java

In this post, we learn how to use jsoup Java library to extract HTML5 custom data attributes.

jsoup extract Inner and Outer HTML of HTML Element in Java

In this post, we learn how to use jsoup Java library to extract inner or outer HTML of an element in a HTML document.

jsoup extract JavaScript from HTML script element in Java

In this post, we are going to explore how to use the jsoup library in a Java application to extract JavaScript content of a script element in the HTML document.

jsoup extract text and attributes of HTML element in Java

In this post, we are going to learn how to use the jsoup library in a Java application to extract text and other attributes of an element in the HTML document.

jsoup extract ID and name of HTML element in Java

In this post, we are going to explore how to use jsoup library in a Java application to extract the ID or name attribute of an element in the HTML document.

jsoup extract CSS class name of HTML element in Java

In this post, we are going to explore how to use jsoup library in a Java application to extract css class names of an element in the HTML document.

Read QR Code from Image File or Base64 String in Java using ZXing

In this tutorial, we are going to learn how to decode the QR code image to read the encoded text in a Java application. We will use ZXing open source library in order to decode the image. Via different Java code examples we show you how to extract text from an image file and from encoded base64 string image.

Generate QR Code in Java using ZXing

In this tutorial, we are going to learn how to generate QR code (abbreviated from Quick Response code) in a Java application. We will use ZXing ("zebra crossing") library which is the most popular library to generate QR code in Java.

jsoup parse HTML Document from an URL in Java

In this tutorial we will explore how to use the jsoup library in Java program to parse HTML from a given URL into a jsoup Document object.