Monthly Digest

My blog posts of April, 2019.

Viewing the Contents of JAR

Listing files inside a JAR or displaying content of a single file using different commands: "jar", "unzip", or "vim".

Glob Expression Understanding

Glob expression syntax, and its usage in Java through Path Matcher and Directory Stream.

Understanding ISO-8859-1 / UTF-8

Character mapping between ISO-8859-1 / UTF-8, decode and encode data between string and bytes, and file I/O operations including MIME encoding detection. All examples are written in Java and Python 3.