Java: Convert PDF to Images in JPG, PNG, TIFF and SVG,Developers often need to convert PDF pages to images since images are difficult to edit and easy to view. With the help of Spi...

How to Print PDF Files in Java?,Printing PDF documents is a key function in our daily life. You can make a tangible duplicate of a PDF file that can be read and used offline by pri...

Leet Code Soltion - Roman to Integer,**Roman numerals are represented by seven different symbols: I, V, X, L, C, D and M. Symbol Value I 1 V 5 X 10 L 50 C 100 D 500 M 1000** For ex...

Java/ Copy Cell Range in Excel,Copying and pasting content within or between documents is one of the most common operations in our daily work. This article will introduce how to co...

Add a Digital Signature to PDF Using Java,The digital signature in a PDF document guarantees the authenticity and integrity of the document, and it also helps prove that the origin...

Apply Shadow Effect to Text in PowerPoint Using Java,In PowerPoint documents, shadow effects can not only be applied to shapes to make them more vivid, but also can be applied to t...

Convert PDF to PDF/A with a free Java API,PDF/A is a kind of PDF format designed for archiving and long-term preservation of electronic documents. Unlike paper documents that are e...

Add Navigation Buttons to PDF using a Free Java API,When viewing a large PDF document, adding navigation buttons to it is a great time-saving method that allows readers to jump to ...

Insert footnote to word using Java,Footnote is a supplementary description of the main text, it allows you to cite sources or explain a concept in detail and makes your document mo...

Add/ Count/ Retrieve/ Remove Variables in Word using Java,This article will give examples of how to add, count, retrieve and remove variables in a Word document in Java with a free...

Rotate a PDF page using Java,When viewing a PDF document, if you find the page orientation is wrong, then you'll need to adjust the page to the right orientation for better viewing...

Set Number Format in Excel using Java,In Excel, number formats can control the display of numbers, dates, times, decimals, percentages, phone numbers, etc. For example, you can use...