{"id":5399,"date":"2001-04-01T10:25:55","date_gmt":"2001-04-01T16:25:55","guid":{"rendered":"http:\/\/www.designandexecute.com\/designs\/?p=5399"},"modified":"2019-04-01T10:48:11","modified_gmt":"2019-04-01T16:48:11","slug":"java-fundamental-tricks-and-shortcuts","status":"publish","type":"post","link":"https:\/\/www.designandexecute.com\/designs\/java-fundamental-tricks-and-shortcuts\/","title":{"rendered":"Java Fundamental Tricks and Shortcuts"},"content":{"rendered":"<h1>Small tidbits that can save you hours of trouble shooting in Java<\/h1>\n<p><strong>How to Splitting on a &#8220;.&#8221; period you need to escape it<\/strong><\/p>\n<p>String [] yourArray = testString.split(&#8220;\\\\.&#8221;);<br \/>\nyourWord = yourArray[x];<\/p>\n<p><strong>How to Convert from Hex String to Decimal and then output a string<\/strong><\/p>\n<p>Integer.toString(Integer.parseInt(hexString, 16))<\/p>\n<p><b>how to clear out a file without deleting the file, this is very useful to convert to a helper method if you manipulate\u00a0a ton of files<\/b><\/p>\n<pre class=\"lang-java prettyprint prettyprinted\"><code><span class=\"typ\">PrintWriter<\/span><span class=\"pln\"> writer <\/span><span class=\"pun\">=<\/span> <span class=\"kwd\">new<\/span> <span class=\"typ\">PrintWriter<\/span><span class=\"pun\">(<\/span><span class=\"pln\">file<\/span><span class=\"pun\">);<\/span><span class=\"pln\">\r\nwriter<\/span><span class=\"pun\">.<\/span><span class=\"pln\">print<\/span><span class=\"pun\">(<\/span><span class=\"str\">\"\"<\/span><span class=\"pun\">);<\/span><span class=\"pln\">\r\nwriter<\/span><span class=\"pun\">.<\/span><span class=\"pln\">close<\/span><span class=\"pun\">();<\/span><\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>Small tidbits that can save you hours of trouble shooting in Java How to Splitting on a &#8220;.&#8221; period you need to escape it String [] yourArray = testString.split(&#8220;\\\\.&#8221;); yourWord = yourArray[x]; How to Convert from Hex String to Decimal and then output a string Integer.toString(Integer.parseInt(hexString, 16)) how to clear out a file without deleting [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":2943,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[33],"tags":[],"class_list":["post-5399","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-java"],"jetpack_featured_media_url":"https:\/\/www.designandexecute.com\/designs\/wp-content\/uploads\/2008\/08\/Java.jpg","_links":{"self":[{"href":"https:\/\/www.designandexecute.com\/designs\/wp-json\/wp\/v2\/posts\/5399","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.designandexecute.com\/designs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.designandexecute.com\/designs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.designandexecute.com\/designs\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.designandexecute.com\/designs\/wp-json\/wp\/v2\/comments?post=5399"}],"version-history":[{"count":4,"href":"https:\/\/www.designandexecute.com\/designs\/wp-json\/wp\/v2\/posts\/5399\/revisions"}],"predecessor-version":[{"id":5403,"href":"https:\/\/www.designandexecute.com\/designs\/wp-json\/wp\/v2\/posts\/5399\/revisions\/5403"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.designandexecute.com\/designs\/wp-json\/wp\/v2\/media\/2943"}],"wp:attachment":[{"href":"https:\/\/www.designandexecute.com\/designs\/wp-json\/wp\/v2\/media?parent=5399"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.designandexecute.com\/designs\/wp-json\/wp\/v2\/categories?post=5399"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.designandexecute.com\/designs\/wp-json\/wp\/v2\/tags?post=5399"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}