{"id":26055,"date":"2022-12-15T06:33:58","date_gmt":"2022-12-15T01:03:58","guid":{"rendered":"https:\/\/jassweb.com\/solved\/solved-checking-int-cast-from-null\/"},"modified":"2022-12-15T06:33:58","modified_gmt":"2022-12-15T01:03:58","slug":"solved-checking-int-cast-from-null","status":"publish","type":"post","link":"https:\/\/jassweb.com\/solved\/solved-checking-int-cast-from-null\/","title":{"rendered":"[Solved] Checking int cast from null"},"content":{"rendered":"<p> [ad_1]<br \/>\n<\/p>\n<div id=\"answer-48622490\" class=\"answer js-answer accepted-answer js-accepted-answer\" data-answerid=\"48622490\" data-parentid=\"48622369\" data-score=\"4\" data-position-on-page=\"1\" data-highest-scored=\"1\" data-question-has-accepted-highest-score=\"1\" itemprop=\"acceptedAnswer\" itemscope itemtype=\"https:\/\/schema.org\/Answer\">\n<div class=\"post-layout\">\n<div class=\"votecell post-layout--left\"><\/div>\n<div class=\"answercell post-layout--right\">\n<div class=\"s-prose js-post-body\" itemprop=\"text\">\n<p>If you try and cast <code>null<\/code> to an <code>int<\/code>, you will get a <code>NullPointerException<\/code>.<\/p>\n<p>If you want to null-check it, you can use an <code>Integer<\/code> or <code>Object<\/code> variable.<\/p>\n<pre><code>Integer r = (Integer) map.get(\"some_integer\");\nif (r==null) {\n   \/\/ whatever you want to do in this case\n} else {\n   int result = r;\n   \/\/ whatever you want to do with the result\n}\n<\/code><\/pre>\n<\/p><\/div>\n<div class=\"mt24\"><\/div>\n<\/div>\n<p>            <span class=\"d-none\" itemprop=\"commentCount\"><\/span> <\/p><\/div>\n<\/div>\n<p>[ad_2]<\/p>\n<p>solved Checking int cast from null <\/p>\n","protected":false},"excerpt":{"rendered":"<p>[ad_1] If you try and cast null to an int, you will get a NullPointerException. If you want to null-check it, you can use an Integer or Object variable. Integer r = (Integer) map.get(&#8220;some_integer&#8221;); if (r==null) { \/\/ whatever you want to do in this case } else { int result = r; \/\/ whatever &#8230; <a title=\"[Solved] Checking int cast from null\" class=\"read-more\" href=\"https:\/\/jassweb.com\/solved\/solved-checking-int-cast-from-null\/\" aria-label=\"More on [Solved] Checking int cast from null\">Read more<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[320],"tags":[387,323,354],"class_list":["post-26055","post","type-post","status-publish","format-standard","hentry","category-solved","tag-casting","tag-java","tag-null"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>[Solved] Checking int cast from null - JassWeb<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/jassweb.com\/solved\/solved-checking-int-cast-from-null\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"[Solved] Checking int cast from null - JassWeb\" \/>\n<meta property=\"og:description\" content=\"[ad_1] If you try and cast null to an int, you will get a NullPointerException. If you want to null-check it, you can use an Integer or Object variable. Integer r = (Integer) map.get(&quot;some_integer&quot;); if (r==null) { \/\/ whatever you want to do in this case } else { int result = r; \/\/ whatever ... 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If you want to null-check it, you can use an Integer or Object variable. Integer r = (Integer) map.get(\"some_integer\"); if (r==null) { \/\/ whatever you want to do in this case } else { int result = r; \/\/ whatever ... 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