Beritra

public class TestTest {
    int num = 10000 * 10000;

    public static void main(String[] args) {
        long timestamp = System.currentTimeMillis();
        System.out.println(new TestTest().func());
        System.out.println(System.currentTimeMillis() - timestamp);
    }

    public int[] func2(int len) {

Beritra

public class CollatzConjecture {
    AtomicInteger max = new AtomicInteger(0);
    int[] ints = new int[100000001];

    public static void main(String[] args) {
        CollatzConjecture test = new CollatzConjecture();
        long timestamp = System.currentTimeMillis();
        System.out.println(test.count());
        System.out.println(System.currentTimeMillis() - timestamp);
    }