{"id":1105,"date":"2019-07-09T18:54:00","date_gmt":"2019-07-09T18:54:00","guid":{"rendered":"http:\/\/itteacheritfreelance.hk\/wordpress\/?guid=4b858541f12221facd8bda008d4e7483"},"modified":"2019-07-09T18:54:00","modified_gmt":"2019-07-09T18:54:00","slug":"class-and-object-initialization-in-java","status":"publish","type":"post","link":"https:\/\/itteacheritfreelance.hk\/wordpress\/index.php\/2019\/07\/09\/class-and-object-initialization-in-java\/","title":{"rendered":"Class and object initialization in Java"},"content":{"rendered":"<p class=\"syndicated-attribution\"><meta name= \\\"keywords \\\" content= \\\"\u96fb\u5b50\u8a08\u7b97\u6a5f, \u6559\u80b2, IT \u96fb\u8166\u73ed,\u96fb\u8166\u88dc\u7fd2\uff0c \u96fb\u8166\u73ed\uff0c \u5bb6\u6559\uff0c \u79c1\u4eba\u8001\u5e2b\uff0c \u8cc7\u8a0a\u6280\u8853\uff0c \u7a0b\u5e8f\u8a2d\u8a08\uff0c \u96fb\u5b50\u8a08\u7b97\u6a5f\uff0c \u904a\u6232\uff0c \u860b\u679c\uff0c \u96fb\u5f71\uff0c \u8a08\u7b97\u6a5f\uff0c\u7de8\u78bc\uff0c Java\uff0c C\/C++\uff0c JavaScript\uff0c PHP\uff0c HTML\uff0c CSS\uff0c MySQL\uff0c mobile\uff0c Android\uff0c \u52d5\u6f2b\uff0c Python\uff0c teacher\uff0c \u88dc\u7fd2\uff0c \u96fb\u8166\u88dc\u7fd2 \u8cc7\u8a0a, \u7535\u5b50\u8ba1\u7b97\u673a, IT ,Game, apple, movie, Computer,student,Java,\u6559\u80b2, ,\u5b66\u751f, \u5b66\u4e60, learn, \u6559\u5b66,  Android, apple,anime, animation, \u4fe1\u606f\u6280\u672f, \u7a0b\u5e8f\u8bbe\u8ba1, \u79fb\u52a8\u7535\u8bdd, \u8cc7\u8a0a\u79d1\u6280,Game, Jeu, Juego,Call Of Duty ,\u4f7f\u547d\u53ec\u559a , \u6e38\u620f, \u7535\u5b50\u6e38\u620f,, \u591a\u4eba\u7535\u5b50\u6e38\u620f, \u7f51\u7edc\u6e38\u620f\uff0conline\uff0conline game, \u624b\u673a\u6e38\u620f, mobile \\\"><\/p>\n<article>\n<section class=\"page\">\n<p>Classes and objects in Java must be initialized before they are used. You&#8217;ve <a href=\"http:\/\/www.javaworld.com\/article\/2979739\/learn-java\/java-101-classes-and-objects-in-java.html\" rel=\"noopener\" >previously learned<\/a> that class fields are initialized to default values when classes are loaded and that objects are initialized via constructors, but there is more to initialization. This article introduces all of Java&#8217;s features for initializing classes and objects.<\/p>\n<div class=\"download-asset asset-type-3 asset-format-1\">\n  <a class=\"download-icon\" href=\"http:\/\/images.techhive.com\/assets\/2016\/12\/19\/jw-java101-caoiij-src.zip\"> <span class=\"ss-icon\">download<\/span> <\/a><\/p>\n<div class=\"download-title\"><a href=\"http:\/\/images.techhive.com\/assets\/2016\/12\/19\/jw-java101-caoiij-src.zip\">Get the code<\/a><\/div>\n<div class=\"download-desc\">Download the source code for example applications in this tutorial. <span class=\"download-source\">Created by Jeff Friesen for JavaWorld.<\/span><\/div>\n<\/div>\n<h2>How to initialize a Java class<\/h2>\n<p>Before we explore Java&#8217;s support for class initialization, let&#8217;s recap the steps of initializing a Java class. Consider Listing 1.<\/p>\n<p class=\"jumpTag\"><a href=\"https:\/\/www.javaworld.com\/article\/3040564\/java-101-class-and-object-initialization-in-java.html#jump\">To read this article in full, please click here<\/a><\/p>\n<\/section>\n<\/article>\n\n<p class=\"syndicated-attribution\"><figure class= \\\"wp-block-image alignnone \\\"><img src= \\\"http:\/\/itteacheritfreelance.hk\/test\/wordpress\/wp-content\/uploads\/2016\/05\/logo2-2.png\\\" alt=\\\"IT\u96fb\u8166\u88dc\u7fd2 java\u88dc\u7fd2 \u70ba\u5927\u5bb6\u914d\u5c0d\u96fb\u8166\u88dc\u7fd2,IT freelance, \u79c1\u4eba\u8001\u5e2b, PHP\u88dc\u7fd2,CSS\u88dc\u7fd2,XML,Java\u88dc\u7fd2,MySQL\u88dc\u7fd2,graphic design\u88dc\u7fd2,\u4e2d\u5c0f\u5b78ICT\u88dc\u7fd2,\u4e00\u5c0d\u4e00\u79c1\u4eba\u88dc\u7fd2\u548cFreelance\u81ea\u7531\u5de5\u4f5c\u914d\u5c0d\u3002\\\"\/><figcaption>\u7acb\u523b\u8a3b\u518a\u53ca\u5831\u540d\u96fb\u8166\u88dc\u7fd2\u8ab2\u7a0b\u5427!<\/figcaption><\/figure>\r\n<\/br>Find A Teacher Form:\r\n<\/br>https:\/\/docs.google.com\/forms\/d\/1vREBnX5n262umf4wU5U2pyTwvk9O-JrAgblA-wH9GFQ\/viewform?edit_requested=true#responses\r\n<\/br><\/br>Email:\r\n<\/br>public1989two@gmail.com<br><br><br><br><br><br><br>\r\n<a href=www.itsec.hk style=color:#FFFFFF;>www.itsec.hk<\/a><br>\r\n<a href=\\\"www.itsec.vip\\\" style=color:#FFFFFF;>www.itsec.vip<\/a><br>\r\n<a href=\\\"www.itseceu.uk\\\" style=color:#FFFFFF;>www.itseceu.uk<\/a><br><\/p>","protected":false},"excerpt":{"rendered":"<div class=\"mh-excerpt\"><p>Classes and objects in Java must be initialized before they are used. You&#8217;ve previously learned that class fields are initialized to default values when classes are loaded and that objects are initialized via constructors, but there is more to initi&#8230;<\/p>\n<\/div>","protected":false},"author":64,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"slim_seo":{"title":"Class and object initialization in Java - ITTeacherITFreelance.hk","description":"Classes and objects in Java must be initialized before they are used. You've previously learned that class fields are initialized to default values when classes"},"footnotes":""},"categories":[6],"tags":[],"_links":{"self":[{"href":"https:\/\/itteacheritfreelance.hk\/wordpress\/index.php\/wp-json\/wp\/v2\/posts\/1105"}],"collection":[{"href":"https:\/\/itteacheritfreelance.hk\/wordpress\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/itteacheritfreelance.hk\/wordpress\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/itteacheritfreelance.hk\/wordpress\/index.php\/wp-json\/wp\/v2\/users\/64"}],"replies":[{"embeddable":true,"href":"https:\/\/itteacheritfreelance.hk\/wordpress\/index.php\/wp-json\/wp\/v2\/comments?post=1105"}],"version-history":[{"count":1,"href":"https:\/\/itteacheritfreelance.hk\/wordpress\/index.php\/wp-json\/wp\/v2\/posts\/1105\/revisions"}],"predecessor-version":[{"id":1106,"href":"https:\/\/itteacheritfreelance.hk\/wordpress\/index.php\/wp-json\/wp\/v2\/posts\/1105\/revisions\/1106"}],"wp:attachment":[{"href":"https:\/\/itteacheritfreelance.hk\/wordpress\/index.php\/wp-json\/wp\/v2\/media?parent=1105"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/itteacheritfreelance.hk\/wordpress\/index.php\/wp-json\/wp\/v2\/categories?post=1105"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/itteacheritfreelance.hk\/wordpress\/index.php\/wp-json\/wp\/v2\/tags?post=1105"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}