long before = System.nanoTime();
rechne();
long after = System.nanoTime();
double durationMS = (after-before)/1e9;
System.out.println("Zeit: "+durationMS+" ms");
for (int i=0; i<1; i++) { /* mache nichts */ }
for (int i=0; i<1; i++) { /* mache nichts */ }
for (int i=0; i<1; i++) { /* mache nichts */ }
for (int i=0; i<100000; i++) { macheViel(); }
for (int i=0; i<n; i++) { System.out.println(i); }
for (int n=1; n<100; n++)
{
timeFor(runWith(n));
}