ArrayList<Double> myDoubles = new ArrayList<Double>();
myDoubles.add(10.8);
myDoubles.add(92.46);
myDoubles.add(75.6);
The above code creates a double ArrayList called myDoubles. We add 10.8 and 92.46 initially. After these numbers, 75.6 is added to the myDoubles using <em>add</em> method (You need to type the list name, ".", and the method name to add the number)