Now you want to tally the daily production of each row of coops averaged over a certain time period and then display this information. As a multi- talented farmer who also happens to be a Java programmer, you want to change your code to add this new function. COMing to a store near you Enough about chickens. This is actually a generic name describing a system whereby an object can be described in a set of APIs such that each software component can be dynamically connected with others to create a useful application. Components are put together inside a container.
Many visual components have preferences that help define how they are laid out with others.
For example, radio buttons are very basic components. In most cases, they exist in groups so you can select one option from several or many. With these layout functions, you can specify how groups of radio buttons are laid out on the screen. All components handle events. When you pass information to a component, an event is triggered.