graph TD;
    Front-End-->HTML5;
    Front-End-->CSS3;
    Front-End-->JavaScript;
    Front-End-->Angular;
    Front-End-->React;
    Front-End-->XML;
    Front-End-->JSON;
    Front-End-->Vue;
    Front-End-->TypeScript;
    Front-End-->JQuery;

graph TD;
 Back-End-->Java;
 Back-End-->NodeJs;
 NodeJs-->Socket.io;
 NodeJs-->Meteor.Js.
 Back-End-->PHP;
 PHP-->Laravel;
 PHP-->Zend;
 PHP-->CakePHP;
 Java-->JavaSE;
 Java-->JavaEE;
 JavaEE-->PureApplet;
 JavaEE-->JavaServlet;
 JavaEE-->EBJ;
 Java-->Spring;
 Java-->SQL;
 Laravel-->SQL;
 Spring-->SprBootMVC;
 Spring-->SprBootAPI-REST;
 Spring-->SprDATA-JPA;
 SQL-->Hibernate;
 SQL-->Spr-JDBC;
 Spring-->Spr-Security;
 Spring-->JSP;
 Spring-->JPA;
 Java-->Forms;
 Forms-->iReport
 Forms-->JFrame;

{
 "type": "FeatureCollection",
 "features": [
   {
     "type": "Feature",
     "id": 1,
     "properties": {
       "ID": 0
     },
     "geometry": {
       "type": "Polygon",
       "coordinates": [
         [
             [-102,21.9],
             [-102.9,21.9],
             [-102.9,21.9],
             [-102,21.9],
             [-102,21.9]
         ]
       ]
     }
   }
 ]
}