All colors can be represented by an int, and often you want to get the individual red, green and blue values from that int.I have a method int2rgb (and another called rgb2int) that does this. Is this a clear/good name?public static int[] int2rgb(final int color) {    return new int[] { (color >> 16) & 0xFF, (color >> 8) & 0xFF, color & 0xFF };}public static int rgb2int(final int red, final int green, final int blue) {    return (red << 16) + (green << 8) + blue;}public static int rgb2int(final int[] color) {    return (color[0] << 16) + (color[1] << 8) + color[2];}And in case you are interested, the rest of the class is here.
Is int2rgb an OK method name?
java
As far as naming is concerned: Using 2 instead of to is pretty much a no-no - to is spelled out everywhere in the Java standard library. Further Java's naming convention is to capitalize every word, but the first in method names - except for acronyms which are all-caps no matter where they appear in the name. So the methods should be called intToRGB and RGBtoInt (to is lower case because it directly follows an acronym - compare for example Color.RGBtoHSB in the java standard library).In regards to the code: I'd recommend representing your colors as Color objects rather than 3-element arrays. If you choose to do that, you don't have to define any of your methods, because that functionality already exists in the Color class.