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16 chapter 1Package Class Tree Deprecated Index HelpPREV CLASS NEXT CLASSSUMMARY: NESTED FIELD CONSTR METHODFRAMES NO FRAMES All ClassesDETAIL: FIELD CONSTR METHODClass TrapMethodsjava.lang.Object+––TrapMethodspublic class TrapMethodsextends java.lang.ObjectTrapMethods.java by RH Landau, trapezoid-rule integration with method callsField Summarystatic double ABstatic doublestatic intNConstructor SummaryFigure 1.6 A sample of the automatic code documentation produced by running javadoc.1.4.7 Automatic Code Documentation ⊙A nice feature of Java is that you can place comments in your code (alwaysa good idea) and then have Java use these comments to create a professionallookingHypertext Markup Language (HTML) documentation page (Figure 1.6).The comments in your code must have the form✞☎✝/∗∗ DocDemo. java : with javadoc comments ∗/public class TrapMethods {public static final double A = 0., B = 3.;/∗∗ main method sums over pointscalls wTrap for trapezoid weightcalls f(y) for integrand@param N number of data points@param A f irst endpoint@param B second endpoint ∗/Here the comments begin with a / ** , rather than the standard / * , and end withthe standard / * . As usual, Java ignores the text within a comment field. For this towork, the comments must appear before the class or method that they describe and−101COPYRIGHT 2008, PRINCET O N UNIVE R S I T Y P R E S SEVALUATION COPY ONLY. NOT FOR USE IN COURSES.ALLpup_06.04 — 2008/2/15 — Page 16