Java – Project Lilliput

In 64-bit Hotspot, Java objects have an object header of 128 bits: a 64 bit multi-purpose header (‘mark’ or ‘lock’) word and a 64-bit class pointer. With typical average object sizes of 5-6 words, this is quite significant: 2 of those words are al… Read more

Similar

How we got the [Java] generics we have

Before we can talk about where generics are going, we first have to talk about where they are, and how they got there. This document will focus primarily on how we arrived at the generics we have now, and why, as a means of setting the groundwork for how ... (more…)

Read more »