Java tutorial
//package com.java2s; public class Main { public static final int ARC_JRE_32 = 32; public static final int ARC_JRE_64 = 64; /** * Indetifca em qual arquitetura a JRE esta executando * @return */ public static int getArchitecture() { String architecture = System.getProperty("sun.arch.data.model"); if (architecture.equalsIgnoreCase("64")) { return ARC_JRE_64; } else { return ARC_JRE_32; } } }