Println("Before: " + field. getWidth()); field. translate(25, 40); approach. out. println("After: " + field. getWidth()); 27. What does this series of statements print? String greeting = "Hello"; procedure. out. println(greeting. toUpperCase()); method. out. println(greeting); 28. 29. Is the toUpperCase approach to the String classification an accessor or a mutator? Which name to translate is required to maneuver the rectangle declared by way of Rectangle field = new Rectangle(5, 10, 20, 30) in order that its top-left nook is the foundation (0, 0)? perform It you can now attempt those routines on the finish of the bankruptcy: R2. 17, E2. 6, E2. eight. bj5_ch02_08. indd fifty one 10/3/12 11:28 AM 52  bankruptcy 2  utilizing items 2. 6  The API Documentation The API (Application Programming Interface) documentation lists the periods and strategies of the Java library. The sessions and strategies of the Java library are indexed within the API documentation. The API is the “applica­tion programming interface”. A programmer who makes use of the Java periods to place jointly a working laptop or computer pro­gram (or program) is an software programmer. That’s you. by contrast, the programmers who designed and applied the library periods comparable to PrintStream and Rectangle are approach programmers. you will discover the API documentation on the internet. element your net browser to http://docs. oracle. com/javase/7/docs/api/index. html. An abbreviated model of the API documentation is supplied in Appendix D that could be more uncomplicated to take advantage of at the start, yet you need to finally flow directly to the genuine factor. 2. 6. 1  shopping the API Documentation The API documentation files all periods within the Java library—there are hundreds of thousands of them (see determine thirteen, top). many of the sessions are really really good, and just a couple of are of curiosity to the start programmer. find the Rectangle hyperlink within the left pane, ideally through the use of the hunt functionality of your browser. click the hyperlink, and the appropriate pane indicates all of the gains of the Rectangle type (see determine thirteen, bottom). API documentation of the Rectangle type Scroll down determine thirteen  The API Documentation of the traditional Java Library bj5_ch02_08. indd fifty two 10/3/12 11:28 AM 2. 6 The API Documentation   fifty three API documentation of the translate procedure 1 2 determine 14  the tactic precis for the Rectangle type The API documentation for every category starts off out with a bit that describes the aim of the category. Then come precis tables for the constructors and techniques (see determine 14, top). click a method’s hyperlink to get an in depth description (see determine 14, bottom). The special description of a mode indicates • The motion that the tactic consists of out. 1 • the kinds and names of the parameter variables that obtain the arguments whilst the tactic is termed. 2 • the worth that it returns (or the reserved be aware void if the strategy doesn’t go back any value). As you will see that, the Rectangle category has various equipment. whereas sometimes intimidating for the begin­ning programmer, it is a power of the traditional library. when you ever have to do a computation involv­ing rectangles, likelihood is that there's a process that does all of the give you the results you want.