{"id":5045,"date":"2015-01-28T05:05:42","date_gmt":"2015-01-28T04:05:42","guid":{"rendered":"http:\/\/blog.wenzlaff.de\/?p=5045"},"modified":"2021-11-22T17:15:05","modified_gmt":"2021-11-22T16:15:05","slug":"wie-kann-mit-der-neuen-java-zeit-api-1-8-ein-zeitstempel-2014-01-31_151200-erzeugt-werden","status":"publish","type":"post","link":"http:\/\/blog.wenzlaff.de\/?p=5045","title":{"rendered":"Wie kann mit der neuen Java Zeit API 1.8 ein Zeitstempel (2014-01-31_15:12:00) erzeugt werden?"},"content":{"rendered":"<p> Java 1.8 gibt es ja nun schon einige Zeit. Warum nicht die <a href=\"https:\/\/docs.oracle.com\/javase\/8\/docs\/api\/\" title=\"time-api\" target=\"_blank\" rel=\"noopener noreferrer\">neue Time API<\/a> verwenden?<\/p>\n<p>Vorteil, die meisten Time und Date <a href=\"https:\/\/docs.oracle.com\/javase\/8\/docs\/api\/java\/time\/package-summary.html\" title=\"time-api-1.8\" target=\"_blank\" rel=\"noopener noreferrer\">Klassen<\/a> sind <a href=\"https:\/\/en.wikipedia.org\/wiki\/Immutable_object\" title=\"immutable\" target=\"_blank\" rel=\"noopener noreferrer\">immutable<\/a> und <strong>thread-safe<\/strong>. Z.B die LocalDateTime, LocalDate und DateTimeFormatter. <\/p>\n<p>Hier mal ein Beispiel, um einen Zeitstempel in der Form 2014-01-31_15:12:00 zu erzeugen:<\/p>\n<pre class=\"lang:default decode:true \" >\r\nimport java.time.LocalDate;\r\nimport java.time.LocalDateTime;\r\nimport java.time.format.DateTimeFormatter;\r\n\t\r\nprivate static final DateTimeFormatter ZEITSTEMPEL_FORMAT = DateTimeFormatter.ofPattern(\"yyyy-MM-dd_HH:mm:ss\");\r\n<\/pre>\n<pre class=\"lang:default decode:true \" >\r\nprivate static String getZeitstempel() {\r\n\t\t\/\/ 2014-01-31_15:12:00\r\n\t\tLocalDateTime heute = LocalDateTime.now();\r\n\t\tString zeitstempel = ZEITSTEMPEL_FORMAT.format(heute);\r\n\t\treturn zeitstempel;\r\n\t}<\/pre>\n","protected":false},"excerpt":{"rendered":"<p>Java 1.8 gibt es ja nun schon einige Zeit. Warum nicht die neue Time API verwenden? Vorteil, die meisten Time und Date Klassen sind immutable und thread-safe. Z.B die LocalDateTime, LocalDate und DateTimeFormatter. Hier mal ein Beispiel, um einen Zeitstempel in der Form 2014-01-31_15:12:00 zu erzeugen: import java.time.LocalDate; import java.time.LocalDateTime; import java.time.format.DateTimeFormatter; private static final &hellip; <\/p>\n<p class=\"link-more\"><a href=\"http:\/\/blog.wenzlaff.de\/?p=5045\" class=\"more-link\"><span class=\"screen-reader-text\">\u201eWie kann mit der neuen Java Zeit API 1.8 ein Zeitstempel (2014-01-31_15:12:00) erzeugt werden?\u201c <\/span>weiterlesen<\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[220,1361,79],"tags":[14,31,2178,1370,1931,1932,1930],"class_list":["post-5045","post","type-post","status-publish","format-standard","hentry","category-anleitung","category-java-8","category-programmierung","tag-api","tag-date","tag-java","tag-java-1-8","tag-local","tag-thread-safe","tag-time"],"_links":{"self":[{"href":"http:\/\/blog.wenzlaff.de\/index.php?rest_route=\/wp\/v2\/posts\/5045","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/blog.wenzlaff.de\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/blog.wenzlaff.de\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/blog.wenzlaff.de\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"http:\/\/blog.wenzlaff.de\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=5045"}],"version-history":[{"count":0,"href":"http:\/\/blog.wenzlaff.de\/index.php?rest_route=\/wp\/v2\/posts\/5045\/revisions"}],"wp:attachment":[{"href":"http:\/\/blog.wenzlaff.de\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=5045"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/blog.wenzlaff.de\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=5045"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/blog.wenzlaff.de\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=5045"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}