how to get element random in arraylist java code example

Example 1: get random String from array list

Random r = new Random();

    int randomitem = r.nextInt(myList.size());
    String randomElement = myList.get(randomitem);

Example 2: get n random elements from list java

List<Foo> list = createItSomehow();
Collections.shuffle(list);
Foo foo = list.get(0);