1.0라이브스마트https://atmokpo.com/wroothttps://atmokpo.com/w/author/root/rich600338<blockquote class="wp-embedded-content" data-secret="P3GUfTmaKq"><a href="https://atmokpo.com/w/37201/">Java Android App Development Course, Java, Null Safety</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://atmokpo.com/w/37201/embed/#?secret=P3GUfTmaKq" width="600" height="338" title="“Java Android App Development Course, Java, Null Safety” — 라이브스마트" data-secret="P3GUfTmaKq" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script> /*! This file is auto-generated */ !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); //# sourceURL=https://atmokpo.com/w/wp-includes/js/wp-embed.min.js </script> Hello! In this course, we will cover Android app development using Java. Java has long been established as the fundamental language for Android development, and due to its stability and efficiency, it is a popular choice among many developers. In particular, ‘null safety’ is one of the very important topics in Java, as it can … 더 보기 ""