{"id":20338,"date":"2022-11-09T10:25:07","date_gmt":"2022-11-09T04:55:07","guid":{"rendered":"https:\/\/jassweb.com\/solved\/solved-showing-error-in-java\/"},"modified":"2022-11-09T10:25:07","modified_gmt":"2022-11-09T04:55:07","slug":"solved-showing-error-in-java","status":"publish","type":"post","link":"https:\/\/jassweb.com\/solved\/solved-showing-error-in-java\/","title":{"rendered":"[Solved] showing error in java"},"content":{"rendered":"<p> [ad_1]<br \/>\n<\/p>\n<div id=\"answer-41333176\" class=\"answer js-answer accepted-answer js-accepted-answer\" data-answerid=\"41333176\" data-parentid=\"41332616\" data-score=\"1\" 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>I\u2019m unsure whether I\u2019m helping you or giving you a load of new problems and unanswered questions. The following will store the count of times the class <code>Founder<\/code> has been constructed in a file called <code>useCount.txt<\/code> in the program\u2019s working directory (probably the root binary directory, where your <code>.class<\/code> files are stored). Next time you run the program, it will read the count from the file, add 1 and write the new value back to the file.<\/p>\n<pre><code>static final Path counterFile = FileSystems.getDefault().getPath(\"useCount.txt\");\n\npublic Founder() throws IOException {\n    initComponents();\n\n    \/\/ read use count from file\n    int useCount;\n    if (Files.exists(counterFile)) {\n        List&lt;String&gt; line = Files.readAllLines(counterFile);\n        if (line.size() == 1) { \/\/ one line in file as expected\n            useCount = Integer.parseInt(line.get(0));\n        } else { \/\/ not the right file, ignore lines from it\n            useCount = 0;\n        }\n    } else { \/\/ program has never run before\n        useCount = 0;\n    }\n    useCount++;\n\n    jLabel1.setText(String.valueOf(useCount));\n\n    \/\/ write new use count back to file\n    Files.write(counterFile, Arrays.asList(String.valueOf(useCount)));\n}\n<\/code><\/pre>\n<p>It\u2019s not the most elegant nor robust solution, but it may get you started. If you run the program on another computer, it will not find the file and will start counting over from 0.<\/p>\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 showing error in java <\/p>\n","protected":false},"excerpt":{"rendered":"<p>[ad_1] I\u2019m unsure whether I\u2019m helping you or giving you a load of new problems and unanswered questions. The following will store the count of times the class Founder has been constructed in a file called useCount.txt in the program\u2019s working directory (probably the root binary directory, where your .class files are stored). Next time &#8230; <a title=\"[Solved] showing error in java\" class=\"read-more\" href=\"https:\/\/jassweb.com\/solved\/solved-showing-error-in-java\/\" aria-label=\"More on [Solved] showing error in java\">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":[323],"class_list":["post-20338","post","type-post","status-publish","format-standard","hentry","category-solved","tag-java"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>[Solved] showing error in java - 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-showing-error-in-java\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"[Solved] showing error in java - JassWeb\" \/>\n<meta property=\"og:description\" content=\"[ad_1] I\u2019m unsure whether I\u2019m helping you or giving you a load of new problems and unanswered questions. 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