For example, graphic primitives such as lines ... Figure 1. A Composite pattern class diagram // This method is a Composite method public void draw() { // Iterate over the components for(int ...

Now that you’ve seen examples of the Command pattern in the JDK, let’s create our own. First, take a look at the class diagram in Figure 2. public interface Vehicle { void start(); void stop ...

Class and sequence diagrams work together to allow precise ... When developing Java applications, it’s quite common to use a pattern similar to this example to handle events within your application.