package tests; import com.carrotsearch.hppc.IntHashSet; /** * Created by Mike on 3/01/2015. */ public class AddAllTest { public static void main(String[] args) { final long start = System.currentTimeMillis(); final IntHashSet a = new com.carrotsearch.hppc.IntHashSet(); for( int i = 10000000; i-- != 0; ) a.add(i); IntHashSet b = new com.carrotsearch.hppc.IntHashSet(a.size()); b.addAll(a); b = new com.carrotsearch.hppc.IntHashSet(); b.addAll(a); final long time = System.currentTimeMillis() - start; System.out.println( time / 1000.0 ); System.out.println( b.size() ); } }