{"id":97425,"date":"2018-03-30T03:35:00","date_gmt":"2018-03-29T19:35:00","guid":{"rendered":"http:\/\/itteacheritfreelance.hk\/test\/wordpress\/?guid=7d295077b9454e58805c78400d9982e1"},"modified":"2018-03-30T03:35:00","modified_gmt":"2018-03-29T19:35:00","slug":"java-101-datastructures-and-algorithms-in-java-part-4-2","status":"publish","type":"post","link":"https:\/\/itteacheritfreelance.hk\/test\/wordpress\/2018\/03\/30\/java-101-datastructures-and-algorithms-in-java-part-4-2\/","title":{"rendered":"Java 101: Datastructures and algorithms in Java, Part 4"},"content":{"rendered":"<article>\n<section class=\"page\">\n<p>Like arrays, linked lists are a fundamental datastructure category upon which more complex datastructures can be based. Unlike a sequence of elements, however, a <em>linked list<\/em> is a sequence of nodes, where each node is linked to the previous and next node in the sequence. Recall that a <em>node<\/em> is an object created from a self-referential <a href=\"http:\/\/itteacheritfreelance.hk\/index.php\" title=\"\u672c\u7db1\u9801\u63d0\u4f9b\u4e00\u500b\u65b9\u4fbf\u7684\u5e73\u53f0, \u70ba\u5927\u5bb6\u914d\u5c0d\u96fb\u8166\u88dc\u7fd2,IT freelance, \u79c1\u4eba\u8001\u5e2b , PHP\u88dc\u7fd2, HTML\u88dc\u7fd2, CSS\u88dc\u7fd2, JavaScript\u88dc\u7fd2, XML, Java\u88dc\u7fd2,Server\u88dc\u7fd2, MySQL\u88dc\u7fd2, \u4e2d\u5b78\u96fb\u8166\u79d1\u79c1\u4eba\u88dc\u7fd2, \u5728\u8077\u4eba\u58eb\u96fb\u8166\u63d0\u5347\u88dc\u7fd2,\u5c08\u696d\u8003\u8a66\u96fb\u8166 \u88dc\u7fd2,\u96fb\u8166\u5716\u50cf\u8a2d\u8a08\u96fb\u8166\u88dc\u7fd2, gra\">class<\/a>, and a <em>self-referential <a href=\"http:\/\/itteacheritfreelance.hk\/index.php\" title=\"\u672c\u7db1\u9801\u63d0\u4f9b\u4e00\u500b\u65b9\u4fbf\u7684\u5e73\u53f0, \u70ba\u5927\u5bb6\u914d\u5c0d\u96fb\u8166\u88dc\u7fd2,IT freelance, \u79c1\u4eba\u8001\u5e2b , PHP\u88dc\u7fd2, HTML\u88dc\u7fd2, CSS\u88dc\u7fd2, JavaScript\u88dc\u7fd2, XML, Java\u88dc\u7fd2,Server\u88dc\u7fd2, MySQL\u88dc\u7fd2, \u4e2d\u5b78\u96fb\u8166\u79d1\u79c1\u4eba\u88dc\u7fd2, \u5728\u8077\u4eba\u58eb\u96fb\u8166\u63d0\u5347\u88dc\u7fd2,\u5c08\u696d\u8003\u8a66\u96fb\u8166 \u88dc\u7fd2,\u96fb\u8166\u5716\u50cf\u8a2d\u8a08\u96fb\u8166\u88dc\u7fd2, gra\">class<\/a><\/em> has at least one field whose reference type is the <a href=\"http:\/\/itteacheritfreelance.hk\/index.php\" title=\"\u672c\u7db1\u9801\u63d0\u4f9b\u4e00\u500b\u65b9\u4fbf\u7684\u5e73\u53f0, \u70ba\u5927\u5bb6\u914d\u5c0d\u96fb\u8166\u88dc\u7fd2,IT freelance, \u79c1\u4eba\u8001\u5e2b , PHP\u88dc\u7fd2, HTML\u88dc\u7fd2, CSS\u88dc\u7fd2, JavaScript\u88dc\u7fd2, XML, Java\u88dc\u7fd2,Server\u88dc\u7fd2, MySQL\u88dc\u7fd2, \u4e2d\u5b78\u96fb\u8166\u79d1\u79c1\u4eba\u88dc\u7fd2, \u5728\u8077\u4eba\u58eb\u96fb\u8166\u63d0\u5347\u88dc\u7fd2,\u5c08\u696d\u8003\u8a66\u96fb\u8166 \u88dc\u7fd2,\u96fb\u8166\u5716\u50cf\u8a2d\u8a08\u96fb\u8166\u88dc\u7fd2, gra\">class<\/a> name. Nodes in a linked list are linked via a node reference. Here&#8217;s an example:<\/p>\n<pre class=\"prettyprint\"><code>\nclass Employee\n{\n   private int empno;\n   private String name;\n   private double salary;\n   public Employee next;\n   \/\/ Other members.\n}<\/code><\/pre>\n<p>In this example, <code>Employee<\/code> is a self-referential <a href=\"http:\/\/itteacheritfreelance.hk\/index.php\" title=\"\u672c\u7db1\u9801\u63d0\u4f9b\u4e00\u500b\u65b9\u4fbf\u7684\u5e73\u53f0, \u70ba\u5927\u5bb6\u914d\u5c0d\u96fb\u8166\u88dc\u7fd2,IT freelance, \u79c1\u4eba\u8001\u5e2b , PHP\u88dc\u7fd2, HTML\u88dc\u7fd2, CSS\u88dc\u7fd2, JavaScript\u88dc\u7fd2, XML, Java\u88dc\u7fd2,Server\u88dc\u7fd2, MySQL\u88dc\u7fd2, \u4e2d\u5b78\u96fb\u8166\u79d1\u79c1\u4eba\u88dc\u7fd2, \u5728\u8077\u4eba\u58eb\u96fb\u8166\u63d0\u5347\u88dc\u7fd2,\u5c08\u696d\u8003\u8a66\u96fb\u8166 \u88dc\u7fd2,\u96fb\u8166\u5716\u50cf\u8a2d\u8a08\u96fb\u8166\u88dc\u7fd2, gra\">class<\/a> because its <code>next<\/code> field has type <code>Employee<\/code>. This field is an example of a <em>link field<\/em> because it can store a reference to another object of its <a href=\"http:\/\/itteacheritfreelance.hk\/index.php\" title=\"\u672c\u7db1\u9801\u63d0\u4f9b\u4e00\u500b\u65b9\u4fbf\u7684\u5e73\u53f0, \u70ba\u5927\u5bb6\u914d\u5c0d\u96fb\u8166\u88dc\u7fd2,IT freelance, \u79c1\u4eba\u8001\u5e2b , PHP\u88dc\u7fd2, HTML\u88dc\u7fd2, CSS\u88dc\u7fd2, JavaScript\u88dc\u7fd2, XML, Java\u88dc\u7fd2,Server\u88dc\u7fd2, MySQL\u88dc\u7fd2, \u4e2d\u5b78\u96fb\u8166\u79d1\u79c1\u4eba\u88dc\u7fd2, \u5728\u8077\u4eba\u58eb\u96fb\u8166\u63d0\u5347\u88dc\u7fd2,\u5c08\u696d\u8003\u8a66\u96fb\u8166 \u88dc\u7fd2,\u96fb\u8166\u5716\u50cf\u8a2d\u8a08\u96fb\u8166\u88dc\u7fd2, gra\">class<\/a>&#8211;in this case another <code>Employee<\/code> object.<\/p>\n<p class=\"jumpTag\"><a href=\"https:\/\/www.javaworld.com\/article\/3266674\/java-101-datastructures-and-algorithms-in-java-part-4.html#jump\">To read this article in full, please click here<\/a><\/p>\n<\/section>\n<\/article>\n","protected":false},"excerpt":{"rendered":"<p>Like arrays, linked lists are a fundamental datastructure category upon which more complex datastructures can be based. Unlike a sequence of elements, however, a linked list is a sequence of nodes, where each node is linked to the previous and next &#8230; <a href=\"https:\/\/itteacheritfreelance.hk\/test\/wordpress\/2018\/03\/30\/java-101-datastructures-and-algorithms-in-java-part-4-2\/\">\u95b1\u8b80\u5168\u6587 <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":123,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"slim_seo":[],"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","enabled":false}}},"categories":[12,2,315,240],"tags":[398,402,397,414,413,528,410,409,407,408,406,399,400,394,318,526,375,523,183,184,529,524,232,10,401,396,381,403,412,411,395,405,404,525,457,530,363,384,321,320,319,316,26,527,317],"jetpack_publicize_connections":[],"aioseo_notices":[],"jetpack_featured_media_url":"","jetpack_shortlink":"https:\/\/wp.me\/p7prtj-pln","jetpack-related-posts":[],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/itteacheritfreelance.hk\/test\/wordpress\/wp-json\/wp\/v2\/posts\/97425"}],"collection":[{"href":"https:\/\/itteacheritfreelance.hk\/test\/wordpress\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/itteacheritfreelance.hk\/test\/wordpress\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/itteacheritfreelance.hk\/test\/wordpress\/wp-json\/wp\/v2\/users\/123"}],"replies":[{"embeddable":true,"href":"https:\/\/itteacheritfreelance.hk\/test\/wordpress\/wp-json\/wp\/v2\/comments?post=97425"}],"version-history":[{"count":0,"href":"https:\/\/itteacheritfreelance.hk\/test\/wordpress\/wp-json\/wp\/v2\/posts\/97425\/revisions"}],"wp:attachment":[{"href":"https:\/\/itteacheritfreelance.hk\/test\/wordpress\/wp-json\/wp\/v2\/media?parent=97425"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/itteacheritfreelance.hk\/test\/wordpress\/wp-json\/wp\/v2\/categories?post=97425"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/itteacheritfreelance.hk\/test\/wordpress\/wp-json\/wp\/v2\/tags?post=97425"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}