{"version":"1.0","provider_name":"Go UML \u7e41\u9ad4\u4e2d\u6587","provider_url":"https:\/\/www.go-uml.com\/tw","author_name":"curtis","author_url":"https:\/\/www.go-uml.com\/tw\/author\/curtis\/","title":"Comprehensive Tutorial on UML Sequence Diagrams - Go UML \u7e41\u9ad4\u4e2d\u6587","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"zs8mc1Xe2A\"><a href=\"https:\/\/www.go-uml.com\/tw\/comprehensive-tutorial-on-uml-sequence-diagrams\/\">Comprehensive Tutorial on UML Sequence Diagrams<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/www.go-uml.com\/tw\/comprehensive-tutorial-on-uml-sequence-diagrams\/embed\/#?secret=zs8mc1Xe2A\" width=\"600\" height=\"338\" title=\"Comprehensive Tutorial on UML Sequence Diagrams &#8212; Go UML \u7e41\u9ad4\u4e2d\u6587\" data-secret=\"zs8mc1Xe2A\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe><script>\n\/*! This file is auto-generated *\/\n!function(d,l){\"use strict\";l.querySelector&&d.addEventListener&&\"undefined\"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!\/[^a-zA-Z0-9]\/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret=\"'+t.secret+'\"]'),o=l.querySelectorAll('blockquote[data-secret=\"'+t.secret+'\"]'),c=new RegExp(\"^https?:$\",\"i\"),i=0;i<o.length;i++)o[i].style.display=\"none\";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute(\"style\"),\"height\"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):\"link\"===t.message&&(r=new URL(s.getAttribute(\"src\")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener(\"message\",d.wp.receiveEmbedMessage,!1),l.addEventListener(\"DOMContentLoaded\",function(){for(var e,t,s=l.querySelectorAll(\"iframe.wp-embedded-content\"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute(\"data-secret\"))||(t=Math.random().toString(36).substring(2,12),e.src+=\"#?secret=\"+t,e.setAttribute(\"data-secret\",t)),e.contentWindow.postMessage({message:\"ready\",secret:t},\"*\")},!1)))}(window,document);\n<\/script>\n","thumbnail_url":"https:\/\/guides.visual-paradigm.com\/wp-content\/uploads\/2023\/10\/01-sequence-diagram-example-atm.png","thumbnail_width":"822","thumbnail_height":"272","description":"UML (Unified Modeling Language) sequence diagrams are a type of interaction diagram that illustrates how objects interact in a particular scenario of a use case. They capture the sequence of messages exchanged between objects over time, providing a clear view of the system&#8217;s dynamic behavior. Key Concepts of UML Sequence Diagrams Lifeline: Definition: Represents the existence of an object during the interaction. Representation: A dashed vertical line with a rectangle at the top containing the object&#8217;s name. Example: In the attached diagram,\u00a0window : UI,\u00a0aChain : HotelChain, and\u00a0aHotel : Hotel\u00a0are lifelines. Activation: Definition: Indicates that an object is performing an operation. Representation: A thin, tall rectangle on the lifeline. Example: The activation bar on\u00a0aHotel : Hotel\u00a0when it processes the\u00a0makeReservation\u00a0message. Message: Definition: Represents communication between objects. Types: Synchronous Message: A solid line with a filled arrowhead. Asynchronous Mess"}