How to map values in a map in Java 8? -

-

इस सवाल का पहले से ही एक उत्तर है: < / P>

  • 2 जवाब

    मेरे पास एक मानचित्र & lt; स्ट्रिंग, पूर्णांक & gt; । > इसे से एक मानचित्र & lt; स्ट्रिंग, स्ट्रिंग & gt; प्राप्त करने का एक आसान तरीका क्या है?

    आसान करके, मुझे इसका अर्थ नहीं है: 

      मानचित्र & lt; स्ट्रिंग, स्ट्रिंग & gt; मैप किया गया = नया हैशमैप & lt; & gt; (); के लिए (स्ट्रिंग कुंजी: originalMap.keySet ()) {mapped.put (key, originalMap.get (key) .toString ()); }   
     बल्कि कुछ एक लाइनर की तरह:  
      मानचित्र & lt; स्ट्रिंग, स्ट्रिंग & gt; मैप किए गए = मूलमैप.मॅप वैल्यू (v - & gt; v.toString ());   
     लेकिन स्पष्ट रूप से कोई भी तरीका नहीं  mapValues ​​ है।   
     
     
     आपको प्रविष्टियों को स्ट्रीम करने और उन्हें एक नए मानचित्र में एकत्र करने की आवश्यकता है:  
      मानचित्र & lt; स्ट्रिंग, स्ट्रिंग & gt; परिणाम = map.entrySet ()। स्ट्रीम () .collect (toMap (Entry :: getKey, e -> String.valueOf (e.getValue ()));    < / html>

Comments

Post a Comment

Popular posts from this blog

jsp - No mapping found for HTTP request with URI with annotation config Spring MVC and Jetty -

-
Image
I'm only using annotation configuration, the server starts, but when I use some pages error is displayed: Warning: no mapping found for HTTP request with URI [/WEB-INF/view/main.jsp] name 'org.springframework.web.servlet.DispatcherServlet -D7259e with DispatcherServlet in Controller mapping works fine, but no JSP page is full. I am using Jetty 9.2.0.M0 and Spring MVC 4.0.4 release. JetTyP Config: Private Static Last String CONTEXT_PATH = "/"; Private Static Last String MAPPING_URL = "/ *"; Private Zero Server (Int port) throws exceptions {server server = new server (port); Server.addLifeCycleListener (New LifeCycleListener ()); Server.setHandler (getServletContextHandler (getContext ())); Server.start (); Server.join (); } Private static ServletContextHandler getServletContextHandler (WebApplicationContext context) throws IOException {LOGGER.info ( "ServletContextHandler is ready"); CircleContaxHandler themeHandler = new circactont...
Read more

c# - Roxy file manager in MVC doesn't accept session path -

-
Hi friends I've downloaded a file manager for my MVC project. So I added to my project and everything works fine but everyone can use this product I mean everyone can type urls and upload files to my host !!!! This filemanager has a Jason config file, as you can see here: {"FILES_ROOT": "Fileman / Upload "," "File_type_kenny": "file", "THUMBS_VIEW_WIDTH": "140", "THUMBS_VIEW_HEIGHT": "120", "PREVIEW_THUMB_WIDTH": "300", "PREVIEW_THUMB_HEIGHT": "200", "MAX_IMAGE_WIDTH": "0" "ASP_net / Main.Shex? A = Created", " Dealederer ":" ASP_net / MAN.assx "ADELEDED IR "," MOVEDIR ":" ASP_net / Main.Shex? A = MoVEDIR "," Copdier ":" ASP_net / Main.Shex? A = Copdier "," Richie Dar ":" ASP_net / Main ASP_net / main.hex? A = Upload "," Downlo...
Read more

java - Ajax call to jsp and jsp redirecting to further jsp -

-
I am getting an Ajax call on a jsp page which in turn is redirecting based on the value of a flag variable JSP file. The AJAX call is something like this: $ Ajax ({url: 'uploadwebcamimage.jsp', type: "post", data: {encodeimg: dataUrl, OwnerId: document.Clickpictures.OwnerId.value, OwnerPhone: document.Clickpictures.OwnerPhone.value, mobilepass: document.Clickpictures. Mobilepass.value, emailpass: document.Clickpictures.emailpass.value, mypassword: document.Clickpictures.mypassword.value, mygroupuserid: document.Clickpictures.mygroupuserid.value}, error: work () {warning ('error');} success : Function (msg) {// warning ((msg)); if (msg) indexOf ("true")> = 0) {// how grouplist location.href = "site_index_groupadmin.jsp res1 =?" + to get the grouplist;} else {warning ("unsuccessful");}}}); And in jsp I have done something like this: & lt;% ArrayList & lt; String & gt; List = New Arrestist & lt; Stri...
Read more