Practice Questions 1. Explain the peration of the code below . private void updateDisplay) int hour-hours getvalue)i String suffix am" if (hoUr>-12) hourhour-12 hour 12 displaystring hour +""minutes getDisplayvalue+ suteix 2. Write a Java statements that define a variable named window of type Rectangle. and then areate aRectangle objeet and assign it to that variable.The Rectangle constructor has two int pa rameters 3 I a collection stores 10 objects.what value would be returned from a call to its size method? 4 What is the index ot the lastitem stored in a colleetion of 15 objeets? 5 Suppose that an objeet is stored at index 6 in a collection.What will be its index after the objeets at index o and index 9 are removed