gistfile1.java

public class Loop {
    public static volatile int k = 10000;
    public static volatile int s = 0;
    public static volatile int i = 0;
    public static volatile int j = 0;
    public static void foo()
    {
        for (s=0,i=0;i<k;i++) {
            for (j=0;j<k;j++)
                s+=i*j;
        }
        System.out.println(s);
    }
    public static void main(String[] args) throws Exception {
        // Warm-up.
        foo();
        foo();
        foo();
        foo();
        foo();
        foo();
        foo();
        System.out.println(System.currentTimeMillis());
        foo();
        System.out.println(System.currentTimeMillis());
    }
}