Month November 2018

[ES] Que ha ocurrido con el sitio?

Las pocas personas que aun quedan suscritas via feedburner probablemente notaran que a su correo han vuelto a llegar notificaciones de éste sitio.  Este blog nació como una “libreta de notas” por ahí del 2012 aproximadamente mientras estaba a la… Continue Reading →

ArrayLists: A complete review – Part 1/?

As part of my intensive Java training I got asked to review the source code of the common collections in the JDK.  I started by cloning the JDK Mercurial repository and checking the ArrayList implementation, and it’s a surprise to… Continue Reading →

Tricky Question: is java passed by reference or passed by value?

TL;DR When we pass an object (or an object “reference”) to a method we are actually passing a copy of the bits in the reference, so is passed by value This is a really really tricky question, since many people… Continue Reading →

A brief summary about Strings in Java

A String in Java, in short words, is an object that stores a sequence of characters, think on a “char array”. But doesn’t have a char array internally. Also in Java, Strings has some interesting qualities: Strings are immutable objects,… Continue Reading →

The strictfp modifier in Java

I just learned there are some (not very known) modifiers in the Java language, one in particular is called strictfp. Natively, java uses the IEE754 for the float and double values , but it can extend the the exponent range… Continue Reading →

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