Strings and StringBuilder in Java

array(10) { [0]=> object(stdClass)#7701 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "lsOOs5J8ycw" ["related_video_title"]=> string(43) "Solve Any Pattern Question With This Trick!" ["posted_time"]=> string(21) "3 года назад" ["channelName"]=> string(14) "Kunal Kushwaha" } [1]=> object(stdClass)#7674 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "BSVKUk58K6U" ["related_video_title"]=> string(78) "OOP 1 | Introduction & Concepts - Classes, Objects, Constructors, Keywords" ["posted_time"]=> string(21) "3 года назад" ["channelName"]=> string(14) "Kunal Kushwaha" } [2]=> object(stdClass)#7699 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "M2uO2nMT0Bk" ["related_video_title"]=> string(49) "Introduction to Recursion - Learn In The Best Way" ["posted_time"]=> string(21) "3 года назад" ["channelName"]=> string(14) "Kunal Kushwaha" } [3]=> object(stdClass)#7706 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "mV3wrLBbuuE" ["related_video_title"]=> string(60) "Time and Space Complexity COMPLETE Tutorial - What is Big O?" ["posted_time"]=> string(21) "3 года назад" ["channelName"]=> string(14) "Kunal Kushwaha" } [4]=> object(stdClass)#7685 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "n60Dn0UsbEk" ["related_video_title"]=> string(44) "Introduction to Arrays and ArrayList in Java" ["posted_time"]=> string(21) "3 года назад" ["channelName"]=> string(14) "Kunal Kushwaha" } [5]=> object(stdClass)#7703 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "r0TbE1_xAbs" ["related_video_title"]=> string(127) "Скандал! Депутат сказал правду о кризисе в экономике. Что было дальше?" ["posted_time"]=> string(24) "15 часов назад" ["channelName"]=> string(37) "Популярная политика" } [6]=> object(stdClass)#7698 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "2RE5LFmSEQE" ["related_video_title"]=> string(133) "Чиновники на ПМЭФ: всё плохо, Россия на грани рецессии, ресурсы исчерпаны" ["posted_time"]=> string(24) "18 часов назад" ["channelName"]=> string(27) "Владимир Милов" } [7]=> object(stdClass)#7708 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "JfinxytTYFQ" ["related_video_title"]=> string(58) "Cycle Sort - Amazon, Google, Microsoft Interview Questions" ["posted_time"]=> string(21) "3 года назад" ["channelName"]=> string(14) "Kunal Kushwaha" } [8]=> object(stdClass)#7684 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "FkhDoFzlY-o" ["related_video_title"]=> string(177) "Депутату не выключили микрофон и страна услышала правду! Вот что ждёт страну, мы за 25 лет всё про.." ["posted_time"]=> string(24) "11 часов назад" ["channelName"]=> string(23) "Антон Хардин" } [9]=> object(stdClass)#7702 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "4EP8YzcN0hQ" ["related_video_title"]=> string(54) "Introduction to Java - Architecture & Installation" ["posted_time"]=> string(21) "3 года назад" ["channelName"]=> string(14) "Kunal Kushwaha" } }