{"id":157984,"date":"2019-08-23T02:50:00","date_gmt":"2019-08-22T18:50:00","guid":{"rendered":"http:\/\/itteacheritfreelance.hk\/test\/wordpress\/?guid=2d5092d4d07a6424eef6105f5315c015"},"modified":"2019-08-23T02:50:00","modified_gmt":"2019-08-22T18:50:00","slug":"sorting-with-comparable-and-comparator-in-java-2","status":"publish","type":"post","link":"https:\/\/itteacheritfreelance.hk\/test\/wordpress\/2019\/08\/23\/sorting-with-comparable-and-comparator-in-java-2\/","title":{"rendered":"Sorting with Comparable and Comparator in Java"},"content":{"rendered":"<article>\n<section class=\"page\">\n<p>Programmers frequently need to sort elements from a database into a <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\">collection<\/a>, array, or map. In Java, we can implement whatever sorting algorithm we want with any type. Using the <code>Comparable<\/code> interface and <code>compareTo()<\/code> method, we can sort using alphabetical order, <code>String<\/code> length, reverse alphabetical order, or numbers. The <code>Comparator<\/code> interface allows us to do the same but in a more flexible way.<\/p>\n<p>Whatever we want to do, we just need to know how to implement the correct sort logic for the given interface and type.<\/p>\n<aside class=\"sidebar\">\n<h3>Get the source code<\/h3>\n<p><a href=\"https:\/\/github.com\/rafadelnero\/javaworld-challengers\" rel=\"noopener nofollow\" >Get the code<\/a> for this Java Challenger. You can run your own tests while you follow the examples.<\/p>\n<p class=\"jumpTag\"><a href=\"https:\/\/www.javaworld.com\/article\/3323403\/java-challengers-5-sorting-with-comparable-and-comparator-in-java.html#jump\">To read this article in full, please click here<\/a><\/p>\n<\/section>\n<\/article>\n","protected":false},"excerpt":{"rendered":"<p>Programmers frequently need to sort elements from a database into a collection, array, or map. In Java, we can implement whatever sorting algorithm we want with any type. Using the Comparable interface and compareTo() method, we can sort using alpha&#8230; <a href=\"https:\/\/itteacheritfreelance.hk\/test\/wordpress\/2019\/08\/23\/sorting-with-comparable-and-comparator-in-java-2\/\">\u95b1\u8b80\u5168\u6587 <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":169,"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":[451,2,7],"tags":[398,402,397,414,413,410,409,407,408,406,399,400,394,318,558,560,555,561,566,553,554,586,585,563,562,183,567,524,10,401,396,403,412,411,395,405,404,457,454,319,316],"jetpack_publicize_connections":[],"aioseo_notices":[],"jetpack_featured_media_url":"","jetpack_shortlink":"https:\/\/wp.me\/p7prtj-F68","jetpack-related-posts":[],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/itteacheritfreelance.hk\/test\/wordpress\/wp-json\/wp\/v2\/posts\/157984"}],"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\/169"}],"replies":[{"embeddable":true,"href":"https:\/\/itteacheritfreelance.hk\/test\/wordpress\/wp-json\/wp\/v2\/comments?post=157984"}],"version-history":[{"count":0,"href":"https:\/\/itteacheritfreelance.hk\/test\/wordpress\/wp-json\/wp\/v2\/posts\/157984\/revisions"}],"wp:attachment":[{"href":"https:\/\/itteacheritfreelance.hk\/test\/wordpress\/wp-json\/wp\/v2\/media?parent=157984"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/itteacheritfreelance.hk\/test\/wordpress\/wp-json\/wp\/v2\/categories?post=157984"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/itteacheritfreelance.hk\/test\/wordpress\/wp-json\/wp\/v2\/tags?post=157984"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}