{"id":223,"date":"2012-11-11T19:22:25","date_gmt":"2012-11-11T19:22:25","guid":{"rendered":"http:\/\/ilias-laptop\/examples\/core-java\/class\/null-safe-equals-method\/"},"modified":"2013-07-22T01:08:01","modified_gmt":"2013-07-21T22:08:01","slug":"null-safe-equals-method","status":"publish","type":"post","link":"https:\/\/examples.javacodegeeks.com\/java-development\/core-java\/class\/null-safe-equals-method\/","title":{"rendered":"Null safe equals method"},"content":{"rendered":"<p>In this example we shall show you how to use a null safe equals method to compare objects.\u00a0To use a null safe equals method to compare objects we have performed the following steps:<\/p>\n<ul>\n<li>We have created an <code>abstract<\/code> class, <code>ObjectUtils<\/code> that has a <code>static<\/code> method <code>boolean nullSafeEquals(Object o1, Object o2)<\/code> that determines if\u00a0two objects are equal. If the two objects are equal it returns <code>true<\/code>, if one of them is <code>null<\/code> it returns <code>false<\/code>. Then it checks if the two obejcts\u00a0are instances of any kind of array, eg. <code>Object[]<\/code>, <code>boolean[]<\/code> etc. Then it uses <code>equals()<\/code> API method of <a href=\"http:\/\/docs.oracle.com\/javase\/7\/docs\/api\/java\/util\/Arrays.html\">Arrays<\/a> to determine if the two arrays are equal.<\/li>\n<li>We have also created a class <code>A<\/code>, that has an int and a String field, and overrides <code>equals(Object o)<\/code> API method of <a href=\"http:\/\/docs.oracle.com\/javase\/7\/docs\/api\/java\/lang\/Object.html\" target=\"_blank\">Object<\/a>. In this method an instance of the class A is compared to an object. If the given object is also instance of <code>A<\/code> and its fields are equal to the\u00a0object&#8217;s fields, then true is returned.<\/li>\n<li>We create two new instances of A, with different parameters and call the <code>nullSafeEquals(Object o1, Object o2)<\/code> method, in class <code>NullSafeEquals<\/code> that extends <code>ObjectUtils<\/code>,<\/li>\n<\/ul>\n<p>as described in the code snippet below.<div style=\"display:inline-block; margin: 15px 0;\"> <div id=\"adngin-JavaCodeGeeks_incontent_video-0\" style=\"display:inline-block;\"><\/div> <\/div><\/p>\n<pre class=\"brush:java\">\r\npackage com.javacodegeeks.snippets.core;\r\n\r\nimport java.util.Arrays;\r\n\r\nabstract class ObjectUtils {\r\n\r\n    private static final int INITIAL_HASH = 7;\r\n    private static final int MULTIPLIER = 31;\r\n    private static final String EMPTY_STRING = \"\";\r\n    private static final String NULL_STRING = \"null\";\r\n    private static final String ARRAY_START = \"{\";\r\n    private static final String ARRAY_END = \"}\";\r\n    private static final String EMPTY_ARRAY = ARRAY_START + ARRAY_END;\r\n    private static final String ARRAY_ELEMENT_SEPARATOR = \", \";\r\n\r\n    \/**\r\n     * Determine if the given objects are equal, returning true if both are null\r\n     * or false if only one is null. Compares arrays with Arrays.equals,\r\n     * performing an equality check based on the array elements rather than the\r\n     * array reference.\r\n     *\/\r\n    public static boolean nullSafeEquals(Object o1, Object o2) {\r\n\r\n  if (o1 == o2) {\r\n\r\n\r\nreturn true;\r\n\r\n  }\r\n\r\n  if (o1 == null || o2 == null) {\r\n\r\n\r\nreturn false;\r\n\r\n  }\r\n\r\n  if (o1.equals(o2)) {\r\n\r\n\r\nreturn true;\r\n\r\n  }\r\n\r\n  if (o1 instanceof Object[] && o2 instanceof Object[]) {\r\n\r\n\r\nreturn Arrays.equals((Object[]) o1, (Object[]) o2);\r\n\r\n  }\r\n\r\n  if (o1 instanceof boolean[] && o2 instanceof boolean[]) {\r\n\r\n\r\nreturn Arrays.equals((boolean[]) o1, (boolean[]) o2);\r\n\r\n  }\r\n\r\n  if (o1 instanceof byte[] && o2 instanceof byte[]) {\r\n\r\n\r\nreturn Arrays.equals((byte[]) o1, (byte[]) o2);\r\n\r\n  }\r\n\r\n  if (o1 instanceof char[] && o2 instanceof char[]) {\r\n\r\n\r\nreturn Arrays.equals((char[]) o1, (char[]) o2);\r\n\r\n  }\r\n\r\n  if (o1 instanceof double[] && o2 instanceof double[]) {\r\n\r\n\r\nreturn Arrays.equals((double[]) o1, (double[]) o2);\r\n\r\n  }\r\n\r\n  if (o1 instanceof float[] && o2 instanceof float[]) {\r\n\r\n\r\nreturn Arrays.equals((float[]) o1, (float[]) o2);\r\n\r\n  }\r\n\r\n  if (o1 instanceof int[] && o2 instanceof int[]) {\r\n\r\n\r\nreturn Arrays.equals((int[]) o1, (int[]) o2);\r\n\r\n  }\r\n\r\n  if (o1 instanceof long[] && o2 instanceof long[]) {\r\n\r\n\r\nreturn Arrays.equals((long[]) o1, (long[]) o2);\r\n\r\n  }\r\n\r\n  if (o1 instanceof short[] && o2 instanceof short[]) {\r\n\r\n\r\nreturn Arrays.equals((short[]) o1, (short[]) o2);\r\n\r\n  }\r\n\r\n\r\n  return false;\r\n    }\r\n}\r\n\r\nclass A {\r\n\r\n    public int x;\r\n    public String str;\r\n\r\n    public A(int x, String str) {\r\n\r\n  this.x = x;\r\n\r\n  this.str = str;\r\n    }\r\n\r\n    @Override\r\n    public boolean equals(Object o) {\r\n\r\n  \r\n\r\n  if (o == null) {\r\n\r\n\r\nreturn false;\r\n\r\n  } else if (o instanceof A) {\r\n\r\n\r\nA obj = (A) o;\r\n\r\n\r\n\r\nif (this.x == obj.x && this.str.equals(obj.str)) {\r\n\r\n\r\n    return true;\r\n\r\n\r\n}\r\n\r\n  }\r\n\r\n  \r\n\r\n  return false;\r\n    }\r\n}\r\n\r\npublic class NullSafeEquals extends ObjectUtils {\r\n\r\n    public static void main(String[] args) {\r\n\r\n\r\n  A a1 = new A(10, \"Nikos\");\r\n\r\n  A a2 = new A(10, \"Dimitrhs\");\r\n\r\n  \r\n\r\n  System.out.println(nullSafeEquals(a1,a2));\r\n\r\n\r\n\r\n  \/\/System.out.println(nullSafeEquals(2,2));\r\n\r\n  \/\/System.out.println(nullSafeEquals(1,\"string\"));\r\n\r\n  \/\/System.out.println(nullSafeEquals(true,true));\r\n\r\n\r\n    }\r\n}\r\n<\/pre>\n<p>\n<b>Output:<\/b><\/p>\n<pre style=\"background: #f0f0f0; border: 1px dashed #CCCCCC; color: black; font-family: arial; font-size: 12px; height: auto; line-height: 20px; overflow: auto; padding: 0px; text-align: left; width: 99%;\">\r\n<code style=\"color: black; word-wrap: normal;\">false<\/code>\r\n<\/pre>\n<p>&nbsp;\u00a0<br \/>\nThis was an example of how to use a null safe equals method to compare objects in Java.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In this example we shall show you how to use a null safe equals method to compare objects.\u00a0To use a null safe equals method to compare objects we have performed the following steps: We have created an abstract class, ObjectUtils that has a static method boolean nullSafeEquals(Object o1, Object o2) that determines if\u00a0two objects are &hellip;<\/p>\n","protected":false},"author":6,"featured_media":1204,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[100],"tags":[1081,189],"class_list":["post-223","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-class","tag-class","tag-core-java-2"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Null safe equals method - Java Code Geeks<\/title>\n<meta name=\"description\" content=\"In this example we shall show you how to use a null safe equals method to compare objects.\u00a0To use a null safe equals method to compare objects we have\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/examples.javacodegeeks.com\/java-development\/core-java\/class\/null-safe-equals-method\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Null safe equals method - Java Code Geeks\" \/>\n<meta property=\"og:description\" content=\"In this example we shall show you how to use a null safe equals method to compare objects.\u00a0To use a null safe equals method to compare objects we have\" \/>\n<meta property=\"og:url\" content=\"https:\/\/examples.javacodegeeks.com\/java-development\/core-java\/class\/null-safe-equals-method\/\" \/>\n<meta property=\"og:site_name\" content=\"Examples Java Code Geeks\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/javacodegeeks\" \/>\n<meta property=\"article:published_time\" content=\"2012-11-11T19:22:25+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2013-07-21T22:08:01+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/examples.javacodegeeks.com\/wp-content\/uploads\/2012\/12\/java-logo.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"150\" \/>\n\t<meta property=\"og:image:height\" content=\"150\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Byron Kiourtzoglou\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@javacodegeeks\" \/>\n<meta name=\"twitter:site\" content=\"@javacodegeeks\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Byron Kiourtzoglou\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"3 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/examples.javacodegeeks.com\/java-development\/core-java\/class\/null-safe-equals-method\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/examples.javacodegeeks.com\/java-development\/core-java\/class\/null-safe-equals-method\/\"},\"author\":{\"name\":\"Byron Kiourtzoglou\",\"@id\":\"https:\/\/examples.javacodegeeks.com\/#\/schema\/person\/3b111ec1048740c68c9e709ff6240015\"},\"headline\":\"Null safe equals method\",\"datePublished\":\"2012-11-11T19:22:25+00:00\",\"dateModified\":\"2013-07-21T22:08:01+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/examples.javacodegeeks.com\/java-development\/core-java\/class\/null-safe-equals-method\/\"},\"wordCount\":201,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/examples.javacodegeeks.com\/#organization\"},\"image\":{\"@id\":\"https:\/\/examples.javacodegeeks.com\/java-development\/core-java\/class\/null-safe-equals-method\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/examples.javacodegeeks.com\/wp-content\/uploads\/2012\/12\/java-logo.jpg\",\"keywords\":[\"class\",\"core java\"],\"articleSection\":[\"class\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/examples.javacodegeeks.com\/java-development\/core-java\/class\/null-safe-equals-method\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/examples.javacodegeeks.com\/java-development\/core-java\/class\/null-safe-equals-method\/\",\"url\":\"https:\/\/examples.javacodegeeks.com\/java-development\/core-java\/class\/null-safe-equals-method\/\",\"name\":\"Null safe equals method - Java Code Geeks\",\"isPartOf\":{\"@id\":\"https:\/\/examples.javacodegeeks.com\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/examples.javacodegeeks.com\/java-development\/core-java\/class\/null-safe-equals-method\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/examples.javacodegeeks.com\/java-development\/core-java\/class\/null-safe-equals-method\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/examples.javacodegeeks.com\/wp-content\/uploads\/2012\/12\/java-logo.jpg\",\"datePublished\":\"2012-11-11T19:22:25+00:00\",\"dateModified\":\"2013-07-21T22:08:01+00:00\",\"description\":\"In this example we shall show you how to use a null safe equals method to compare objects.\u00a0To use a null safe equals method to compare objects we have\",\"breadcrumb\":{\"@id\":\"https:\/\/examples.javacodegeeks.com\/java-development\/core-java\/class\/null-safe-equals-method\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/examples.javacodegeeks.com\/java-development\/core-java\/class\/null-safe-equals-method\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/examples.javacodegeeks.com\/java-development\/core-java\/class\/null-safe-equals-method\/#primaryimage\",\"url\":\"https:\/\/examples.javacodegeeks.com\/wp-content\/uploads\/2012\/12\/java-logo.jpg\",\"contentUrl\":\"https:\/\/examples.javacodegeeks.com\/wp-content\/uploads\/2012\/12\/java-logo.jpg\",\"width\":150,\"height\":150,\"caption\":\"Bipartite Graph\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/examples.javacodegeeks.com\/java-development\/core-java\/class\/null-safe-equals-method\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/examples.javacodegeeks.com\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Java Development\",\"item\":\"https:\/\/examples.javacodegeeks.com\/category\/java-development\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Core Java\",\"item\":\"https:\/\/examples.javacodegeeks.com\/category\/java-development\/core-java\/\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"class\",\"item\":\"https:\/\/examples.javacodegeeks.com\/category\/java-development\/core-java\/class\/\"},{\"@type\":\"ListItem\",\"position\":5,\"name\":\"Null safe equals method\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/examples.javacodegeeks.com\/#website\",\"url\":\"https:\/\/examples.javacodegeeks.com\/\",\"name\":\"Java Code Geeks\",\"description\":\"Java Examples and Code Snippets\",\"publisher\":{\"@id\":\"https:\/\/examples.javacodegeeks.com\/#organization\"},\"alternateName\":\"JCG\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/examples.javacodegeeks.com\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/examples.javacodegeeks.com\/#organization\",\"name\":\"Exelixis Media P.C.\",\"url\":\"https:\/\/examples.javacodegeeks.com\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/examples.javacodegeeks.com\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/examples.javacodegeeks.com\/wp-content\/uploads\/2022\/06\/exelixis-logo.png\",\"contentUrl\":\"https:\/\/examples.javacodegeeks.com\/wp-content\/uploads\/2022\/06\/exelixis-logo.png\",\"width\":864,\"height\":246,\"caption\":\"Exelixis Media P.C.\"},\"image\":{\"@id\":\"https:\/\/examples.javacodegeeks.com\/#\/schema\/logo\/image\/\"},\"sameAs\":[\"https:\/\/www.facebook.com\/javacodegeeks\",\"https:\/\/x.com\/javacodegeeks\"]},{\"@type\":\"Person\",\"@id\":\"https:\/\/examples.javacodegeeks.com\/#\/schema\/person\/3b111ec1048740c68c9e709ff6240015\",\"name\":\"Byron Kiourtzoglou\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/examples.javacodegeeks.com\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/examples.javacodegeeks.com\/wp-content\/uploads\/2013\/10\/Byron-Kiourtzoglou-96x96.jpg\",\"contentUrl\":\"https:\/\/examples.javacodegeeks.com\/wp-content\/uploads\/2013\/10\/Byron-Kiourtzoglou-96x96.jpg\",\"caption\":\"Byron Kiourtzoglou\"},\"description\":\"Byron is a master software engineer working in the IT and Telecom domains. He is an applications developer in a wide variety of applications\/services. He is currently acting as the team leader and technical architect for a proprietary service creation and integration platform for both the IT and Telecom industries in addition to a in-house big data real-time analytics solution. He is always fascinated by SOA, middleware services and mobile development. Byron is co-founder and Executive Editor at Java Code Geeks.\",\"sameAs\":[\"https:\/\/www.pivotalgamers.com\/\",\"https:\/\/www.linkedin.com\/in\/byron-kiourtzoglou-530ab222\"],\"url\":\"https:\/\/examples.javacodegeeks.com\/author\/byron-kiourtzoglou\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Null safe equals method - Java Code Geeks","description":"In this example we shall show you how to use a null safe equals method to compare objects.\u00a0To use a null safe equals method to compare objects we have","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/examples.javacodegeeks.com\/java-development\/core-java\/class\/null-safe-equals-method\/","og_locale":"en_US","og_type":"article","og_title":"Null safe equals method - Java Code Geeks","og_description":"In this example we shall show you how to use a null safe equals method to compare objects.\u00a0To use a null safe equals method to compare objects we have","og_url":"https:\/\/examples.javacodegeeks.com\/java-development\/core-java\/class\/null-safe-equals-method\/","og_site_name":"Examples Java Code Geeks","article_publisher":"https:\/\/www.facebook.com\/javacodegeeks","article_published_time":"2012-11-11T19:22:25+00:00","article_modified_time":"2013-07-21T22:08:01+00:00","og_image":[{"width":150,"height":150,"url":"https:\/\/examples.javacodegeeks.com\/wp-content\/uploads\/2012\/12\/java-logo.jpg","type":"image\/jpeg"}],"author":"Byron Kiourtzoglou","twitter_card":"summary_large_image","twitter_creator":"@javacodegeeks","twitter_site":"@javacodegeeks","twitter_misc":{"Written by":"Byron Kiourtzoglou","Est. reading time":"3 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/examples.javacodegeeks.com\/java-development\/core-java\/class\/null-safe-equals-method\/#article","isPartOf":{"@id":"https:\/\/examples.javacodegeeks.com\/java-development\/core-java\/class\/null-safe-equals-method\/"},"author":{"name":"Byron Kiourtzoglou","@id":"https:\/\/examples.javacodegeeks.com\/#\/schema\/person\/3b111ec1048740c68c9e709ff6240015"},"headline":"Null safe equals method","datePublished":"2012-11-11T19:22:25+00:00","dateModified":"2013-07-21T22:08:01+00:00","mainEntityOfPage":{"@id":"https:\/\/examples.javacodegeeks.com\/java-development\/core-java\/class\/null-safe-equals-method\/"},"wordCount":201,"commentCount":0,"publisher":{"@id":"https:\/\/examples.javacodegeeks.com\/#organization"},"image":{"@id":"https:\/\/examples.javacodegeeks.com\/java-development\/core-java\/class\/null-safe-equals-method\/#primaryimage"},"thumbnailUrl":"https:\/\/examples.javacodegeeks.com\/wp-content\/uploads\/2012\/12\/java-logo.jpg","keywords":["class","core java"],"articleSection":["class"],"inLanguage":"en-US","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/examples.javacodegeeks.com\/java-development\/core-java\/class\/null-safe-equals-method\/#respond"]}]},{"@type":"WebPage","@id":"https:\/\/examples.javacodegeeks.com\/java-development\/core-java\/class\/null-safe-equals-method\/","url":"https:\/\/examples.javacodegeeks.com\/java-development\/core-java\/class\/null-safe-equals-method\/","name":"Null safe equals method - Java Code Geeks","isPartOf":{"@id":"https:\/\/examples.javacodegeeks.com\/#website"},"primaryImageOfPage":{"@id":"https:\/\/examples.javacodegeeks.com\/java-development\/core-java\/class\/null-safe-equals-method\/#primaryimage"},"image":{"@id":"https:\/\/examples.javacodegeeks.com\/java-development\/core-java\/class\/null-safe-equals-method\/#primaryimage"},"thumbnailUrl":"https:\/\/examples.javacodegeeks.com\/wp-content\/uploads\/2012\/12\/java-logo.jpg","datePublished":"2012-11-11T19:22:25+00:00","dateModified":"2013-07-21T22:08:01+00:00","description":"In this example we shall show you how to use a null safe equals method to compare objects.\u00a0To use a null safe equals method to compare objects we have","breadcrumb":{"@id":"https:\/\/examples.javacodegeeks.com\/java-development\/core-java\/class\/null-safe-equals-method\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/examples.javacodegeeks.com\/java-development\/core-java\/class\/null-safe-equals-method\/"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/examples.javacodegeeks.com\/java-development\/core-java\/class\/null-safe-equals-method\/#primaryimage","url":"https:\/\/examples.javacodegeeks.com\/wp-content\/uploads\/2012\/12\/java-logo.jpg","contentUrl":"https:\/\/examples.javacodegeeks.com\/wp-content\/uploads\/2012\/12\/java-logo.jpg","width":150,"height":150,"caption":"Bipartite Graph"},{"@type":"BreadcrumbList","@id":"https:\/\/examples.javacodegeeks.com\/java-development\/core-java\/class\/null-safe-equals-method\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/examples.javacodegeeks.com\/"},{"@type":"ListItem","position":2,"name":"Java Development","item":"https:\/\/examples.javacodegeeks.com\/category\/java-development\/"},{"@type":"ListItem","position":3,"name":"Core Java","item":"https:\/\/examples.javacodegeeks.com\/category\/java-development\/core-java\/"},{"@type":"ListItem","position":4,"name":"class","item":"https:\/\/examples.javacodegeeks.com\/category\/java-development\/core-java\/class\/"},{"@type":"ListItem","position":5,"name":"Null safe equals method"}]},{"@type":"WebSite","@id":"https:\/\/examples.javacodegeeks.com\/#website","url":"https:\/\/examples.javacodegeeks.com\/","name":"Java Code Geeks","description":"Java Examples and Code Snippets","publisher":{"@id":"https:\/\/examples.javacodegeeks.com\/#organization"},"alternateName":"JCG","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/examples.javacodegeeks.com\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":"Organization","@id":"https:\/\/examples.javacodegeeks.com\/#organization","name":"Exelixis Media P.C.","url":"https:\/\/examples.javacodegeeks.com\/","logo":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/examples.javacodegeeks.com\/#\/schema\/logo\/image\/","url":"https:\/\/examples.javacodegeeks.com\/wp-content\/uploads\/2022\/06\/exelixis-logo.png","contentUrl":"https:\/\/examples.javacodegeeks.com\/wp-content\/uploads\/2022\/06\/exelixis-logo.png","width":864,"height":246,"caption":"Exelixis Media P.C."},"image":{"@id":"https:\/\/examples.javacodegeeks.com\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/www.facebook.com\/javacodegeeks","https:\/\/x.com\/javacodegeeks"]},{"@type":"Person","@id":"https:\/\/examples.javacodegeeks.com\/#\/schema\/person\/3b111ec1048740c68c9e709ff6240015","name":"Byron Kiourtzoglou","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/examples.javacodegeeks.com\/#\/schema\/person\/image\/","url":"https:\/\/examples.javacodegeeks.com\/wp-content\/uploads\/2013\/10\/Byron-Kiourtzoglou-96x96.jpg","contentUrl":"https:\/\/examples.javacodegeeks.com\/wp-content\/uploads\/2013\/10\/Byron-Kiourtzoglou-96x96.jpg","caption":"Byron Kiourtzoglou"},"description":"Byron is a master software engineer working in the IT and Telecom domains. He is an applications developer in a wide variety of applications\/services. He is currently acting as the team leader and technical architect for a proprietary service creation and integration platform for both the IT and Telecom industries in addition to a in-house big data real-time analytics solution. He is always fascinated by SOA, middleware services and mobile development. Byron is co-founder and Executive Editor at Java Code Geeks.","sameAs":["https:\/\/www.pivotalgamers.com\/","https:\/\/www.linkedin.com\/in\/byron-kiourtzoglou-530ab222"],"url":"https:\/\/examples.javacodegeeks.com\/author\/byron-kiourtzoglou\/"}]}},"_links":{"self":[{"href":"https:\/\/examples.javacodegeeks.com\/wp-json\/wp\/v2\/posts\/223","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/examples.javacodegeeks.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/examples.javacodegeeks.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/examples.javacodegeeks.com\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/examples.javacodegeeks.com\/wp-json\/wp\/v2\/comments?post=223"}],"version-history":[{"count":0,"href":"https:\/\/examples.javacodegeeks.com\/wp-json\/wp\/v2\/posts\/223\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/examples.javacodegeeks.com\/wp-json\/wp\/v2\/media\/1204"}],"wp:attachment":[{"href":"https:\/\/examples.javacodegeeks.com\/wp-json\/wp\/v2\/media?parent=223"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/examples.javacodegeeks.com\/wp-json\/wp\/v2\/categories?post=223"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/examples.javacodegeeks.com\/wp-json\/wp\/v2\/tags?post=223"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}