jakubjanecek

Transaction t1 = new Transaction();
t1.begin();
try {
    System.out.println("I am in transaction, safe and sound!");
    t1.commit();
} catch (Exception ex) {
    t1.rollback();
}

jakubjanecek

txn {
  println("I am in transaction, safe and sound!")
}

jakubjanecek

def txn(block: => Unit): Unit = {
  val transaction = new Transaction

  try {
    transaction.begin()

    block

    transaction.commit()
  }

jakubjanecek

int sum = 0;
for (int n : collectionOfNumbers) {
    sum += n;
}

jakubjanecek

val sum = collectionOfNumbers.sum

jakubjanecek

List<Integer> odds = new ArrayList<Integer>();
for (int n : collectionOfNumbers) {
    if (n % 2 == 1) {
        odds.add(n);
    }
}

jakubjanecek

val odds = collection.filter(n => n % 2 == 1)

jakubjanecek

public final class Event {

    private final long id;

    private final String name;

    private final long when;

    private final EventSource source;
    

jakubjanecek

case class Event(id: Long, name: String, when: Long, source: EventSource)

jakubjanecek

private static int genericSize(Object obj) {
    if (obj instanceof String) {
        String s = (String) obj;
        return s.length();
    } else if (obj instanceof int[]) {
        int[] a = (int[]) obj;
        return a.length;
    } else if (obj instanceof List) {
        List l = (List) obj;
        return l.size();