Java is a computer programming language that is concurrent, class-based, object-oriented, and specifically designed to have as few implementation dependencies as possible.

Java

How are PDF files protected?

Access to PDF files can be secured so that not just anyone can open them. This is achieved by encryption – the bytes in...
Mark Stephens
1 min read

How much memory does your Java application use

I wanted to investigate the memory usage of our Java application to see how much memory was being used for a task – in...
Mark Stephens
1 min read

How are carriage returns, spaces and other gaps defined…

One of the biggest issues within PDF files we find is  the use of carriage returns, spaces and line feeds as gaps with the...
Mark Stephens
1 min read

Java JAI image-io jpeg 2000 Memory Leak fix

One of our customers sent in a support request regarding a memory leak which was assigned to me to investigate.  It actually turned out...
Daniel
1 min read

Java images – 5 tips for Java ImageIO image…

We have been doing a lot of work recently on images in Java and will be writing a series of articles on JPEG2000 support,...
Mark Stephens
48 sec read

How is text stored in a PDF file?

Text is defined in PDF files by a Font object and a set of TJ commands. So you will see something like this in...
Mark Stephens
55 sec read