{"id":26510,"date":"2022-12-18T06:36:55","date_gmt":"2022-12-18T01:06:55","guid":{"rendered":"https:\/\/jassweb.com\/solved\/solved-how-to-select-n-numbers-from-n-sets-of-different-size\/"},"modified":"2022-12-18T06:36:55","modified_gmt":"2022-12-18T01:06:55","slug":"solved-how-to-select-n-numbers-from-n-sets-of-different-size","status":"publish","type":"post","link":"https:\/\/jassweb.com\/solved\/solved-how-to-select-n-numbers-from-n-sets-of-different-size\/","title":{"rendered":"[Solved] How to select n numbers from n sets of different size?"},"content":{"rendered":"<p> [ad_1]<br \/>\n<\/p>\n<div id=\"answer-24553209\" class=\"answer js-answer accepted-answer js-accepted-answer\" data-answerid=\"24553209\" data-parentid=\"24552723\" data-score=\"3\" 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>You can use <em>cartesian product<\/em> on sets in <code>Java<\/code> by the use of <a rel=\"nofollow noopener\" target=\"_blank\" href=\"http:\/\/www.java2s.com\/Code\/Jar\/g\/Downloadgooglecollectionsjar.htm\"><code>com.google.common.collect.Sets<\/code><\/a>.<\/p>\n<p><strong><em>FOR EXAMPLE<\/em><\/strong><\/p>\n<pre><code>  Set&lt;Integer&gt; s1=new HashSet&lt;Integer&gt;();\n  s1.add(1);s1.add(4);s1.add(5);\n\n  Set&lt;Integer&gt; s2=new HashSet&lt;Integer&gt;();\n  s2.add(2);s2.add(3);s2.add(6);\n\n  Set&lt;Integer&gt; s3=new HashSet&lt;Integer&gt;();\n  s3.add(7);s3.add(8);s3.add(8);\n\n  Set&lt;List&lt;Integer&gt;&gt; set=Sets.cartesianProduct(s1,s2,s3);\n  \/\/Give type safety warning\n  for(List&lt;Integer&gt; l:set){\n      System.out.println(l);\n  }\n<\/code><\/pre>\n<p><strong><em>OUTPUT<\/em><\/strong><\/p>\n<pre><code>[1, 2, 7]\n[1, 2, 8]\n[1, 3, 7]\n[1, 3, 8]\n....\n<\/code><\/pre>\n<hr>\n<p><strong>NOTE<\/strong><\/p>\n<p>If you want exact output as <code>1 2 7<\/code> for that you just need to <code>Override toString<\/code> method of <code>List<\/code><\/p>\n<\/p><\/div>\n<div class=\"mt24\"><\/div>\n<\/div>\n<p>            <span class=\"d-none\" itemprop=\"commentCount\">2<\/span> <\/p><\/div>\n<\/div>\n<p>[ad_2]<\/p>\n<p>solved How to select n numbers from n sets of different size? <\/p>\n","protected":false},"excerpt":{"rendered":"<p>[ad_1] You can use cartesian product on sets in Java by the use of com.google.common.collect.Sets. FOR EXAMPLE Set&lt;Integer&gt; s1=new HashSet&lt;Integer&gt;(); s1.add(1);s1.add(4);s1.add(5); Set&lt;Integer&gt; s2=new HashSet&lt;Integer&gt;(); s2.add(2);s2.add(3);s2.add(6); Set&lt;Integer&gt; s3=new HashSet&lt;Integer&gt;(); s3.add(7);s3.add(8);s3.add(8); Set&lt;List&lt;Integer&gt;&gt; set=Sets.cartesianProduct(s1,s2,s3); \/\/Give type safety warning for(List&lt;Integer&gt; l:set){ System.out.println(l); } OUTPUT [1, 2, 7] [1, 2, 8] [1, 3, 7] [1, 3, 8] &#8230;. NOTE If &#8230; <a title=\"[Solved] How to select n numbers from n sets of different size?\" class=\"read-more\" href=\"https:\/\/jassweb.com\/solved\/solved-how-to-select-n-numbers-from-n-sets-of-different-size\/\" aria-label=\"More on [Solved] How to select n numbers from n sets of different size?\">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":[457,324,323],"class_list":["post-26510","post","type-post","status-publish","format-standard","hentry","category-solved","tag-algorithm","tag-c","tag-java"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>[Solved] How to select n numbers from n sets of different size? - 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-how-to-select-n-numbers-from-n-sets-of-different-size\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"[Solved] How to select n numbers from n sets of different size? - JassWeb\" \/>\n<meta property=\"og:description\" content=\"[ad_1] You can use cartesian product on sets in Java by the use of com.google.common.collect.Sets. FOR EXAMPLE Set&lt;Integer&gt; s1=new HashSet&lt;Integer&gt;(); s1.add(1);s1.add(4);s1.add(5); Set&lt;Integer&gt; s2=new HashSet&lt;Integer&gt;(); s2.add(2);s2.add(3);s2.add(6); Set&lt;Integer&gt; s3=new HashSet&lt;Integer&gt;(); s3.add(7);s3.add(8);s3.add(8); Set&lt;List&lt;Integer&gt;&gt; set=Sets.cartesianProduct(s1,s2,s3); \/\/Give type safety warning for(List&lt;Integer&gt; l:set){ System.out.println(l); } OUTPUT [1, 2, 7] [1, 2, 8] [1, 3, 7] [1, 3, 8] .... NOTE If ... 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- JassWeb","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/jassweb.com\/solved\/solved-how-to-select-n-numbers-from-n-sets-of-different-size\/","og_locale":"en_US","og_type":"article","og_title":"[Solved] How to select n numbers from n sets of different size? - JassWeb","og_description":"[ad_1] You can use cartesian product on sets in Java by the use of com.google.common.collect.Sets. FOR EXAMPLE Set&lt;Integer&gt; s1=new HashSet&lt;Integer&gt;(); s1.add(1);s1.add(4);s1.add(5); Set&lt;Integer&gt; s2=new HashSet&lt;Integer&gt;(); s2.add(2);s2.add(3);s2.add(6); Set&lt;Integer&gt; s3=new HashSet&lt;Integer&gt;(); s3.add(7);s3.add(8);s3.add(8); Set&lt;List&lt;Integer&gt;&gt; set=Sets.cartesianProduct(s1,s2,s3); \/\/Give type safety warning for(List&lt;Integer&gt; l:set){ System.out.println(l); } OUTPUT [1, 2, 7] [1, 2, 8] [1, 3, 7] [1, 3, 8] .... NOTE If ... 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