For example, you can declare a constant named PI with the value of 3.14 as follows: final double PI = 3.14; You can also declare a constant without assigning a value, but you must assign it before ...

n "Constants" (JavaWorld, March 30, 2001), I wrote, "I'd be interested to hear how others declare their constants and why. I can post your responses in a future Q&A." Well, here are some reader ...

In their 2009 JavaOne presentation Return of the Puzzlers: Schlock and Awe ( PDF ), Joshua Bloch and Neal Gafter presented seven more puzzlers and extracted lessons learned from each of these ...

Learn what a variable is, how to declare it, what types of variables exist, and what scope and modifiers mean in Java, one of the most popular programming languages.