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Here's what I've written (so far):

Custom HTTP Header With the Java HttpClient

Filed under Networking

A quick and practical guide to adding custom headers to HTTP requests with Java’s HttpClient.

Get the ASCII Value of a Character in Java

Filed under Java

A quick and practical guide to getting ASCII value of a char in Java.

Create a Simple “Rock-Paper-Scissors” Game in Java

Filed under Algorithms

A quick example of the Rock-Paper-Scissors implementation in Java.

Convert Between Byte Array and UUID in Java

Filed under Java

A quick and practical conversion guide between byte arrays and UUID.

Computing an X509 Certificate’s Thumbprint in Java

Filed under Security

A quick and practical guide to computing an X509 certificate’s thumbprint in Java.

Use Dot “.” as the Decimal Separator in Java

Filed under Java

A quick and practical guide to using dot as decimal separator in Java.

Simulate touch Command in Java

Filed under Java

A quick and practical guide to mimicking “touch” behavior in Java.

Compare Strings While Ignoring Whitespace in Java

Filed under Java

Learn different ways to compare strings while ignoring whitespace in Java.

Deserialize Snake Case to Camel Case With Jackson

Filed under Jackson

By default, Jackson expects the field names in JSON to match the ones in our Java POJOs. As Java usually uses camel case field naming by convention, this makes it harder to deserialize snake case JSON. We look at some ways to configure our code so that we can load JSON with other field naming conventions.

Convert an Object to a Byte Array in Java

Filed under Java

A quick and practical guide to converting objects into byte arrays in Java.