{"id":33659,"date":"2023-02-11T09:54:32","date_gmt":"2023-02-11T04:24:32","guid":{"rendered":"https:\/\/jassweb.com\/solved\/solved-copy-all-the-elements-object-of-one-list-n-times-to-new-list-using-java-8-stream\/"},"modified":"2023-02-11T09:54:32","modified_gmt":"2023-02-11T04:24:32","slug":"solved-copy-all-the-elements-object-of-one-list-n-times-to-new-list-using-java-8-stream","status":"publish","type":"post","link":"https:\/\/jassweb.com\/solved\/solved-copy-all-the-elements-object-of-one-list-n-times-to-new-list-using-java-8-stream\/","title":{"rendered":"[Solved] Copy All the elements\/object of one list N times to new list. Using java 8 stream"},"content":{"rendered":"<p> [ad_1]<br \/>\n<\/p>\n<div id=\"answer-71066202\" class=\"answer js-answer accepted-answer js-accepted-answer\" data-answerid=\"71066202\" data-parentid=\"71065553\" 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>Streams might not be the right tool for this task. Why not just add all elments from original list to new list and calculate how many new entries to add after finding the largest id? Something like:<\/p>\n<pre><code>List&lt;Fruit&gt; newFruits =  new ArrayList&lt;&gt;();\nnewFruits.addAll(fruits);\n\nint N = 10;\nint toAdd = N - fruits.size();\nint maxId = fruits.stream().mapToInt(Fruit::getId).max().orElse(0);\n\nIntStream.rangeClosed(1,toAdd).forEach(i -&gt; newFruits.add(new Fruit(maxId + i, \"\")));\n<\/code><\/pre>\n<p>Or take a look at @Holger&#8217;s comment.<\/p>\n<\/p><\/div>\n<div class=\"mt24\"><\/div>\n<\/div>\n<p>            <span class=\"d-none\" itemprop=\"commentCount\">1<\/span> <\/p><\/div>\n<\/div>\n<p>[ad_2]<\/p>\n<p>solved Copy All the elements\/object of one list N times to new list. Using java 8 stream <\/p>\n","protected":false},"excerpt":{"rendered":"<p>[ad_1] Streams might not be the right tool for this task. Why not just add all elments from original list to new list and calculate how many new entries to add after finding the largest id? Something like: List&lt;Fruit&gt; newFruits = new ArrayList&lt;&gt;(); newFruits.addAll(fruits); int N = 10; int toAdd = N &#8211; fruits.size(); int &#8230; <a title=\"[Solved] Copy All the elements\/object of one list N times to new list. Using java 8 stream\" class=\"read-more\" href=\"https:\/\/jassweb.com\/solved\/solved-copy-all-the-elements-object-of-one-list-n-times-to-new-list-using-java-8-stream\/\" aria-label=\"More on [Solved] Copy All the elements\/object of one list N times to new list. Using java 8 stream\">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":[323,885],"class_list":["post-33659","post","type-post","status-publish","format-standard","hentry","category-solved","tag-java","tag-java-stream"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>[Solved] Copy All the elements\/object of one list N times to new list. 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