... ing /Programming/ BasicJava1/compile.htmlimport javax.servlet.http.*;public class ExampServlet extends HttpServlet { public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, ... /simpleHTML.html">Form</A>"); out.close(); }Note: To learn how to use the other methods available in theHttpServlet, HttpServletRequest, andHttpServletResponse classes, see The Java Tutorial trail onServlets. More ... 21-04-2000 17:30Essentials of the Java( TM) Programming Language, Part 1 http://developer .java. sun.com/developer ining /Programming/ BasicJava1/index.html Training Index Java TM Programming Language...
... givenSet<?> unknownSet = new HashSet<String>(); /** Add an element t to a Set s */public static <T> void addToSet(Set<T> s, T t) { }The call below is illegal.addToSet(unknownSet, ... existing APIs touse generics (see section 10), or just want to understand why things are the way theyare. 6. 3 Using Generic Code in Legacy CodeNow let’s consider the inverse case. Imagine that ... call itselect(getMyEmpInfoFactory(), ”selection string”);The downside of this solution is that it requires either:• the use of verbose anonymous factory classes at the call site, or 16 1 IntroductionJDK...
... Effective Java: ProgrammingLanguage Guide 25 //Broken - violates symmetry! public boolean equals(Object o) { if (o instanceof CaseInsensitiveString) return s.equalsIgnoreCase( ((CaseInsensitiveString)o).s); ... probably the case that no fields need to be fixed. There are Effective Java: ProgrammingLanguage Guide 7 This book uses a few technical terms that are not defined in The JavaLanguage Specification. ... These goals are impossible to achieve in the absence of well-designed APIs for the components of the system. No language is perfect, but some are excellent. I have found the Javaprogramming language...
... make the most effective use of the Javaprogramming language and its fundamental libraries, java. lang, java. util, and, to a lesser extent, java. io. The book discusses other libraries from ... Effective Java: ProgrammingLanguage Guide 25 //Broken - violates symmetry! public boolean equals(Object o) { if (o instanceof CaseInsensitiveString) return s.equalsIgnoreCase( ((CaseInsensitiveString)o).s); ... for inheritance or else prohibit it 61 Item 16: Prefer interfaces to abstract classes 65 Item 17: Use interfaces only to define types 69 Item 18: Favor static member classes over nonstatic 71...