{"id":142305,"date":"2024-05-21T11:44:38","date_gmt":"2024-05-21T06:14:38","guid":{"rendered":"https:\/\/data-flair.training\/blogs\/?p=142305"},"modified":"2024-05-21T11:44:38","modified_gmt":"2024-05-21T06:14:38","slug":"vector-class-in-java-collection","status":"publish","type":"post","link":"https:\/\/data-flair.training\/blogs\/vector-class-in-java-collection\/","title":{"rendered":"Vector Class in Java Collection"},"content":{"rendered":"<h3>Program 1<\/h3>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\">import java.util.*;\r\nclass TestVector\r\n{\r\n    public static void main(String args[])\r\n    {\r\n           Vector&lt;Integer&gt; V=new Vector&lt;Integer&gt;();\r\n            V.add(10);  \/\/ Collection\r\n            V.add(20);\r\n            V.add(30);\r\n            V.add(40);\r\n            V.add(2,150);   \/\/List\r\n            V.addElement(200); \/\/ Vector\r\n            \/\/System.out.println(V.elementAt(2));\/\/ Vector\r\n            \/\/   System.out.println(V.firstElement()); \/\/ Vector\r\n            \/\/   System.out.println(V.lastElement()); \/\/ Vector\r\n            System.out.println(V);\r\n            \/\/Integer I=30;\r\n            \/\/ System.out.println(V.remove(I));  \/\/ Collection Argument is Object Return is boolean\r\n            \/\/ System.out.println(V.remove(4));  \/\/ List Argument is index Return is Object\r\n            \/\/ System.out.println(V.remove(4));  \/\/ List Argument is index Return is Object\r\n            \/\/  V.removeElementAt(4);     \/\/\/ Vector  return type is void \r\n            \/\/ V.clear();  \/\/\/ Collection\r\n                V.removeAllElements();   \/\/ Vector\r\n             System.out.println(V);\r\n\r\n\r\n\r\n    }\r\n}\r\n\r\n\r\n\r\n\r\n\r\n\/\/ ArrayList&lt;Integer&gt;A=new ArrayList&lt;Integer&gt;();\r\n        \/\/ A.add(10);\r\n        \/\/ A.add(20);\r\n        \/\/ A.add(30);\r\n        \/\/ A.add(40);\r\n        \/\/ Vector&lt;Integer&gt;V=new Vector&lt;Integer&gt;(A);\r\n        \/\/ System.out.println(V);        \r\n\r\n    \/\/     for(int i=0;i&lt;V.size();i++)\r\n        \/\/    { \r\n            \/\/System.out.println(V.elementAt(i));  \/\/ Vector\r\n           \/\/   System.out.println(V.get(9));  \/\/Collection\r\n        \/\/    }<\/pre>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Program 1 import java.util.*; class TestVector { public static void main(String args[]) { Vector&lt;Integer&gt; V=new Vector&lt;Integer&gt;(); V.add(10); \/\/ Collection V.add(20); V.add(30); V.add(40); V.add(2,150); \/\/List V.addElement(200); \/\/ Vector \/\/System.out.println(V.elementAt(2));\/\/ Vector \/\/ System.out.println(V.firstElement()); \/\/ Vector \/\/&#46;&#46;&#46;<\/p>\n","protected":false},"author":86671,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[32],"tags":[7345,29859,29858,32190,32188,32189,32191],"class_list":["post-142305","post","type-post","status-publish","format-standard","hentry","category-java","tag-java","tag-java-practical","tag-java-program","tag-java-program-on-vector-class","tag-java-vector-class","tag-vector-class-in-java","tag-vector-class-in-java-collection"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Vector Class in Java Collection - DataFlair<\/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:\/\/data-flair.training\/blogs\/vector-class-in-java-collection\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Vector Class in Java Collection - DataFlair\" \/>\n<meta property=\"og:description\" content=\"Program 1 import java.util.*; class TestVector { public static void main(String args[]) { Vector&lt;Integer&gt; V=new Vector&lt;Integer&gt;(); V.add(10); \/\/ Collection V.add(20); V.add(30); V.add(40); V.add(2,150); \/\/List V.addElement(200); \/\/ Vector \/\/System.out.println(V.elementAt(2));\/\/ Vector \/\/ System.out.println(V.firstElement()); \/\/ Vector \/\/&#046;&#046;&#046;\" \/>\n<meta property=\"og:url\" content=\"https:\/\/data-flair.training\/blogs\/vector-class-in-java-collection\/\" \/>\n<meta property=\"og:site_name\" content=\"DataFlair\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/DataFlairWS\/\" \/>\n<meta property=\"article:published_time\" content=\"2024-05-21T06:14:38+00:00\" \/>\n<meta name=\"author\" content=\"TechVidvan Team\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@DataFlairWS\" \/>\n<meta name=\"twitter:site\" content=\"@DataFlairWS\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"TechVidvan Team\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Vector Class in Java Collection - DataFlair","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:\/\/data-flair.training\/blogs\/vector-class-in-java-collection\/","og_locale":"en_US","og_type":"article","og_title":"Vector Class in Java Collection - DataFlair","og_description":"Program 1 import java.util.*; 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