How to generate a random int in Golang
In Golang there a are two libraries for generating random integers, one is a pseudo-random number generator (package math/rand) and the second one is cryptographically secure random number generator (package crypto/rand)
Java Custom Annotations Example
How to create Java Custom Annotation. A simple example of creating Annotations in Java and usage by calling the Reflection API.
How to execute shell command from Java
How to execute a shell command from Java using Runtime.getRuntime().exec() method.
How to generate UUID / GUID in Java
How to generate UUID / GUID in Java using java.util.UUID class, UUID.randomUUID() method.
How to marshal a JAXB object into org.w3c.dom.Document
How to marshal a JAXB object into org.w3c.dom.Document using Transformer class and formatted console print.
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