package Java7; public class MemoryManagement { public static void main(String[] args) { System.out.println("Available Processors: " + Runtime.getRuntime().availableProcessors()); System.out.println("Total Memory: " + Runtime.getRuntime().totalMemory()); System.out.println("Max memory: " + Runtime.getRuntime().maxMemory()); System.out.println("Free Memory: " + Runtime.getRuntime().freeMemory()); //Notify garbage Collector to initiate garbage collection, this call doesn't guarantee garbage collector to run at that particular instance Runtime.getRuntime().gc(); //alternative to Runtime.gc(). this call doesn't guarantee garbage collector to run at that particular instance System.gc(); Runtime.getRuntime().exit(0); } }