{"id":201060,"date":"2024-11-29T02:54:59","date_gmt":"2024-11-29T02:54:59","guid":{"rendered":"https:\/\/namso-gen.co\/blog\/how-to-change-value-in-hashmap-java\/"},"modified":"2024-11-29T02:54:59","modified_gmt":"2024-11-29T02:54:59","slug":"how-to-change-value-in-hashmap-java","status":"publish","type":"post","link":"https:\/\/namso-gen.co\/blog\/how-to-change-value-in-hashmap-java\/","title":{"rendered":"How to change value in HashMap Java?"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_62 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title \" >Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/namso-gen.co\/blog\/how-to-change-value-in-hashmap-java\/#How_to_change_value_in_HashMap_Java\" title=\"How to change value in HashMap Java?\">How to change value in HashMap Java?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/namso-gen.co\/blog\/how-to-change-value-in-hashmap-java\/#FAQs\" title=\"FAQs\">FAQs<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/namso-gen.co\/blog\/how-to-change-value-in-hashmap-java\/#1_How_to_add_a_key-value_pair_to_a_HashMap_in_Java\" title=\"1. How to add a key-value pair to a HashMap in Java?\">1. How to add a key-value pair to a HashMap in Java?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/namso-gen.co\/blog\/how-to-change-value-in-hashmap-java\/#2_How_to_check_if_a_key_exists_in_a_HashMap\" title=\"2. How to check if a key exists in a HashMap?\">2. How to check if a key exists in a HashMap?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/namso-gen.co\/blog\/how-to-change-value-in-hashmap-java\/#3_How_to_get_all_keys_from_a_HashMap_in_Java\" title=\"3. How to get all keys from a HashMap in Java?\">3. How to get all keys from a HashMap in Java?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/namso-gen.co\/blog\/how-to-change-value-in-hashmap-java\/#4_How_to_get_all_values_from_a_HashMap_in_Java\" title=\"4. How to get all values from a HashMap in Java?\">4. How to get all values from a HashMap in Java?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/namso-gen.co\/blog\/how-to-change-value-in-hashmap-java\/#5_How_to_remove_a_key-value_pair_from_a_HashMap\" title=\"5. How to remove a key-value pair from a HashMap?\">5. How to remove a key-value pair from a HashMap?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/namso-gen.co\/blog\/how-to-change-value-in-hashmap-java\/#6_How_to_get_the_size_of_a_HashMap_in_Java\" title=\"6. How to get the size of a HashMap in Java?\">6. How to get the size of a HashMap in Java?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/namso-gen.co\/blog\/how-to-change-value-in-hashmap-java\/#7_How_to_check_if_a_value_exists_in_a_HashMap\" title=\"7. How to check if a value exists in a HashMap?\">7. How to check if a value exists in a HashMap?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/namso-gen.co\/blog\/how-to-change-value-in-hashmap-java\/#8_How_to_iterate_over_a_HashMap_in_Java\" title=\"8. How to iterate over a HashMap in Java?\">8. How to iterate over a HashMap in Java?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/namso-gen.co\/blog\/how-to-change-value-in-hashmap-java\/#9_How_to_clear_a_HashMap_in_Java\" title=\"9. How to clear a HashMap in Java?\">9. How to clear a HashMap in Java?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/namso-gen.co\/blog\/how-to-change-value-in-hashmap-java\/#10_How_to_get_a_value_based_on_a_key_from_a_HashMap_in_Java\" title=\"10. How to get a value based on a key from a HashMap in Java?\">10. How to get a value based on a key from a HashMap in Java?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/namso-gen.co\/blog\/how-to-change-value-in-hashmap-java\/#11_How_to_check_if_a_HashMap_is_empty_in_Java\" title=\"11. How to check if a HashMap is empty in Java?\">11. How to check if a HashMap is empty in Java?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/namso-gen.co\/blog\/how-to-change-value-in-hashmap-java\/#12_How_to_replace_a_value_in_a_HashMap_if_it_exists_otherwise_add_a_new_key-value_pair\" title=\"12. How to replace a value in a HashMap if it exists, otherwise add a new key-value pair?\">12. How to replace a value in a HashMap if it exists, otherwise add a new key-value pair?<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"How_to_change_value_in_HashMap_Java\"><\/span>How to change value in HashMap Java?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>In Java, a HashMap is a collection that stores key-value pairs. If you want to change the value associated with a specific key in a HashMap, you can simply use the put() method to replace the old value with the new value. Here is how you can change the value in a HashMap:<\/p>\n<p>&#8220;`java<br \/>\nHashMap<String, String> map = new HashMap<>();<br \/>\nmap.put(&#8220;key&#8221;, &#8220;oldValue&#8221;); \/\/ Adding a key-value pair<br \/>\nSystem.out.println(&#8220;Old value: &#8221; + map.get(&#8220;key&#8221;)); \/\/ Getting the old value<br \/>\nmap.put(&#8220;key&#8221;, &#8220;newValue&#8221;); \/\/ Changing the value<br \/>\nSystem.out.println(&#8220;New value: &#8221; + map.get(&#8220;key&#8221;)); \/\/ Getting the new value<br \/>\n&#8220;`<\/p>\n<p>By using the put() method with the same key as before, you can update the value associated with that key in the HashMap.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"FAQs\"><\/span>FAQs<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<h3><span class=\"ez-toc-section\" id=\"1_How_to_add_a_key-value_pair_to_a_HashMap_in_Java\"><\/span>1. How to add a key-value pair to a HashMap in Java?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\nTo add a key-value pair to a HashMap in Java, you can use the put() method like this:<br \/>\n&#8220;`java<br \/>\nmap.put(&#8220;key&#8221;, &#8220;value&#8221;);<br \/>\n&#8220;`<\/p>\n<h3><span class=\"ez-toc-section\" id=\"2_How_to_check_if_a_key_exists_in_a_HashMap\"><\/span>2. How to check if a key exists in a HashMap?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\nYou can use the containsKey() method to check if a key exists in a HashMap:<br \/>\n&#8220;`java<br \/>\nif(map.containsKey(&#8220;key&#8221;)) {<br \/>\n    System.out.println(&#8220;Key exists&#8221;);<br \/>\n} else {<br \/>\n    System.out.println(&#8220;Key does not exist&#8221;);<br \/>\n}<br \/>\n&#8220;`<\/p>\n<h3><span class=\"ez-toc-section\" id=\"3_How_to_get_all_keys_from_a_HashMap_in_Java\"><\/span>3. How to get all keys from a HashMap in Java?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\nTo get all keys from a HashMap in Java, you can use the keySet() method like this:<br \/>\n&#8220;`java<br \/>\nSet<String> keys = map.keySet();<br \/>\n&#8220;`<\/p>\n<h3><span class=\"ez-toc-section\" id=\"4_How_to_get_all_values_from_a_HashMap_in_Java\"><\/span>4. How to get all values from a HashMap in Java?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\nTo get all values from a HashMap in Java, you can use the values() method like this:<br \/>\n&#8220;`java<br \/>\nCollection<String> values = map.values();<br \/>\n&#8220;`<\/p>\n<h3><span class=\"ez-toc-section\" id=\"5_How_to_remove_a_key-value_pair_from_a_HashMap\"><\/span>5. How to remove a key-value pair from a HashMap?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\nYou can use the remove() method to remove a key-value pair from a HashMap like this:<br \/>\n&#8220;`java<br \/>\nmap.remove(&#8220;key&#8221;);<br \/>\n&#8220;`<\/p>\n<h3><span class=\"ez-toc-section\" id=\"6_How_to_get_the_size_of_a_HashMap_in_Java\"><\/span>6. How to get the size of a HashMap in Java?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\nYou can use the size() method to get the size of a HashMap in Java like this:<br \/>\n&#8220;`java<br \/>\nint size = map.size();<br \/>\n&#8220;`<\/p>\n<h3><span class=\"ez-toc-section\" id=\"7_How_to_check_if_a_value_exists_in_a_HashMap\"><\/span>7. How to check if a value exists in a HashMap?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\nYou can use the containsValue() method to check if a value exists in a HashMap like this:<br \/>\n&#8220;`java<br \/>\nif(map.containsValue(&#8220;value&#8221;)) {<br \/>\n    System.out.println(&#8220;Value exists&#8221;);<br \/>\n} else {<br \/>\n    System.out.println(&#8220;Value does not exist&#8221;);<br \/>\n}<br \/>\n&#8220;`<\/p>\n<h3><span class=\"ez-toc-section\" id=\"8_How_to_iterate_over_a_HashMap_in_Java\"><\/span>8. How to iterate over a HashMap in Java?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\nYou can use a for-each loop to iterate over a HashMap in Java like this:<br \/>\n&#8220;`java<br \/>\nfor(Map.Entry<String, String> entry : map.entrySet()) {<br \/>\n    System.out.println(&#8220;Key: &#8221; + entry.getKey() + &#8220;, Value: &#8221; + entry.getValue());<br \/>\n}<br \/>\n&#8220;`<\/p>\n<h3><span class=\"ez-toc-section\" id=\"9_How_to_clear_a_HashMap_in_Java\"><\/span>9. How to clear a HashMap in Java?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\nYou can use the clear() method to clear a HashMap in Java like this:<br \/>\n&#8220;`java<br \/>\nmap.clear();<br \/>\n&#8220;`<\/p>\n<h3><span class=\"ez-toc-section\" id=\"10_How_to_get_a_value_based_on_a_key_from_a_HashMap_in_Java\"><\/span>10. How to get a value based on a key from a HashMap in Java?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\nYou can use the get() method to get a value based on a key from a HashMap in Java like this:<br \/>\n&#8220;`java<br \/>\nString value = map.get(&#8220;key&#8221;);<br \/>\n&#8220;`<\/p>\n<h3><span class=\"ez-toc-section\" id=\"11_How_to_check_if_a_HashMap_is_empty_in_Java\"><\/span>11. How to check if a HashMap is empty in Java?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\nYou can use the isEmpty() method to check if a HashMap is empty in Java like this:<br \/>\n&#8220;`java<br \/>\nif(map.isEmpty()) {<br \/>\n    System.out.println(&#8220;HashMap is empty&#8221;);<br \/>\n} else {<br \/>\n    System.out.println(&#8220;HashMap is not empty&#8221;);<br \/>\n}<br \/>\n&#8220;`<\/p>\n<h3><span class=\"ez-toc-section\" id=\"12_How_to_replace_a_value_in_a_HashMap_if_it_exists_otherwise_add_a_new_key-value_pair\"><\/span>12. How to replace a value in a HashMap if it exists, otherwise add a new key-value pair?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\nYou can use the putIfAbsent() method to replace a value in a HashMap if it exists, otherwise add a new key-value pair like this:<br \/>\n&#8220;`java<br \/>\nmap.putIfAbsent(&#8220;key&#8221;, &#8220;newValue&#8221;);<br \/>\n&#8220;`<\/p>\n","protected":false},"excerpt":{"rendered":"<p>How to change value in HashMap Java? In Java, a HashMap is a collection that stores key-value pairs. If you want to change the value associated with a specific key in a HashMap, you can simply use the put() method to replace the old value with the new value. Here is how you can change &#8230; <\/p>\n<p class=\"read-more-container\"><a title=\"How to change value in HashMap Java?\" class=\"read-more button\" href=\"https:\/\/namso-gen.co\/blog\/how-to-change-value-in-hashmap-java\/#more-201060\">Read more<span class=\"screen-reader-text\">How to change value in HashMap Java?<\/span><\/a><\/p>\n","protected":false},"author":51,"featured_media":107420,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[86279],"tags":[],"class_list":["post-201060","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-learn","no-featured-image-padding"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v22.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>How to change value in HashMap Java?<\/title>\n<meta name=\"description\" content=\"How to change value in HashMap Java? In Java, a HashMap is a collection that stores key-value pairs. If you want to change the value associated with a\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/namso-gen.co\/blog\/how-to-change-value-in-hashmap-java\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How to change value in HashMap Java?\" \/>\n<meta property=\"og:description\" content=\"How to change value in HashMap Java? In Java, a HashMap is a collection that stores key-value pairs. If you want to change the value associated with a\" \/>\n<meta property=\"og:url\" content=\"https:\/\/namso-gen.co\/blog\/how-to-change-value-in-hashmap-java\/\" \/>\n<meta property=\"og:site_name\" content=\"Namso Gen Blog - Free Credit Card Generator [100% Valid]\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/synchronyfinancial\" \/>\n<meta property=\"article:published_time\" content=\"2024-11-29T02:54:59+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/namso-gen.co\/blog\/wp-content\/uploads\/2024\/03\/faq.png\" \/>\n\t<meta property=\"og:image:width\" content=\"1200\" \/>\n\t<meta property=\"og:image:height\" content=\"630\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"Adam Forbes\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@synchrony\" \/>\n<meta name=\"twitter:site\" content=\"@synchrony\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Adam Forbes\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"3 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/namso-gen.co\/blog\/how-to-change-value-in-hashmap-java\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/namso-gen.co\/blog\/how-to-change-value-in-hashmap-java\/\"},\"author\":{\"name\":\"Adam Forbes\",\"@id\":\"https:\/\/namso-gen.co\/blog\/#\/schema\/person\/88cd882dfb29a6b147bc0ea26dc84060\"},\"headline\":\"How to change value in HashMap Java?\",\"datePublished\":\"2024-11-29T02:54:59+00:00\",\"dateModified\":\"2024-11-29T02:54:59+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/namso-gen.co\/blog\/how-to-change-value-in-hashmap-java\/\"},\"wordCount\":577,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/namso-gen.co\/blog\/#organization\"},\"articleSection\":[\"Learn\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/namso-gen.co\/blog\/how-to-change-value-in-hashmap-java\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/namso-gen.co\/blog\/how-to-change-value-in-hashmap-java\/\",\"url\":\"https:\/\/namso-gen.co\/blog\/how-to-change-value-in-hashmap-java\/\",\"name\":\"How to change value in HashMap Java?\",\"isPartOf\":{\"@id\":\"https:\/\/namso-gen.co\/blog\/#website\"},\"datePublished\":\"2024-11-29T02:54:59+00:00\",\"dateModified\":\"2024-11-29T02:54:59+00:00\",\"description\":\"How to change value in HashMap Java? In Java, a HashMap is a collection that stores key-value pairs. If you want to change the value associated with a\",\"breadcrumb\":{\"@id\":\"https:\/\/namso-gen.co\/blog\/how-to-change-value-in-hashmap-java\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/namso-gen.co\/blog\/how-to-change-value-in-hashmap-java\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/namso-gen.co\/blog\/how-to-change-value-in-hashmap-java\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/namso-gen.co\/blog\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"How to change value in HashMap Java?\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/namso-gen.co\/blog\/#website\",\"url\":\"https:\/\/namso-gen.co\/blog\/\",\"name\":\"Namso Gen Blog - Free Credit Card Generator [100% Valid]\",\"description\":\"In Namso gen blog you can get many tips regarding to Credit cards, VCC, Credit card security etc. You can generate credit cards by using Namso-gen.co\",\"publisher\":{\"@id\":\"https:\/\/namso-gen.co\/blog\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/namso-gen.co\/blog\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"en-US\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/namso-gen.co\/blog\/#organization\",\"name\":\"Namso Gen Blog - Free Credit Card Generator [100% Valid]\",\"url\":\"https:\/\/namso-gen.co\/blog\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/namso-gen.co\/blog\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/namso-gen.co\/blog\/wp-content\/uploads\/2020\/07\/namso-gen-logo.png\",\"contentUrl\":\"https:\/\/namso-gen.co\/blog\/wp-content\/uploads\/2020\/07\/namso-gen-logo.png\",\"width\":500,\"height\":164,\"caption\":\"Namso Gen Blog - Free Credit Card Generator [100% Valid]\"},\"image\":{\"@id\":\"https:\/\/namso-gen.co\/blog\/#\/schema\/logo\/image\/\"},\"sameAs\":[\"https:\/\/www.facebook.com\/synchronyfinancial\",\"https:\/\/twitter.com\/synchrony\",\"https:\/\/www.youtube.com\/synchronyfinancial\",\"https:\/\/www.instagram.com\/synchrony\",\"https:\/\/www.linkedin.com\/company\/synchrony-financial\"]},{\"@type\":\"Person\",\"@id\":\"https:\/\/namso-gen.co\/blog\/#\/schema\/person\/88cd882dfb29a6b147bc0ea26dc84060\",\"name\":\"Adam Forbes\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/namso-gen.co\/blog\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/?s=96&d=mm&r=g\",\"caption\":\"Adam Forbes\"},\"description\":\"Guest author Adam Forbes has meticulously crafted and revised this article to the best of their knowledge and understanding. Readers are strongly advised to exercise caution, verify information independently, and rely on their own judgment when considering the information provided. Read more articles on Namso Gen here.\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"How to change value in HashMap Java?","description":"How to change value in HashMap Java? In Java, a HashMap is a collection that stores key-value pairs. If you want to change the value associated with a","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:\/\/namso-gen.co\/blog\/how-to-change-value-in-hashmap-java\/","og_locale":"en_US","og_type":"article","og_title":"How to change value in HashMap Java?","og_description":"How to change value in HashMap Java? In Java, a HashMap is a collection that stores key-value pairs. If you want to change the value associated with a","og_url":"https:\/\/namso-gen.co\/blog\/how-to-change-value-in-hashmap-java\/","og_site_name":"Namso Gen Blog - Free Credit Card Generator [100% Valid]","article_publisher":"https:\/\/www.facebook.com\/synchronyfinancial","article_published_time":"2024-11-29T02:54:59+00:00","og_image":[{"width":1200,"height":630,"url":"https:\/\/namso-gen.co\/blog\/wp-content\/uploads\/2024\/03\/faq.png","type":"image\/png"}],"author":"Adam Forbes","twitter_card":"summary_large_image","twitter_creator":"@synchrony","twitter_site":"@synchrony","twitter_misc":{"Written by":"Adam Forbes","Est. reading time":"3 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/namso-gen.co\/blog\/how-to-change-value-in-hashmap-java\/#article","isPartOf":{"@id":"https:\/\/namso-gen.co\/blog\/how-to-change-value-in-hashmap-java\/"},"author":{"name":"Adam Forbes","@id":"https:\/\/namso-gen.co\/blog\/#\/schema\/person\/88cd882dfb29a6b147bc0ea26dc84060"},"headline":"How to change value in HashMap Java?","datePublished":"2024-11-29T02:54:59+00:00","dateModified":"2024-11-29T02:54:59+00:00","mainEntityOfPage":{"@id":"https:\/\/namso-gen.co\/blog\/how-to-change-value-in-hashmap-java\/"},"wordCount":577,"commentCount":0,"publisher":{"@id":"https:\/\/namso-gen.co\/blog\/#organization"},"articleSection":["Learn"],"inLanguage":"en-US","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/namso-gen.co\/blog\/how-to-change-value-in-hashmap-java\/#respond"]}]},{"@type":"WebPage","@id":"https:\/\/namso-gen.co\/blog\/how-to-change-value-in-hashmap-java\/","url":"https:\/\/namso-gen.co\/blog\/how-to-change-value-in-hashmap-java\/","name":"How to change value in HashMap Java?","isPartOf":{"@id":"https:\/\/namso-gen.co\/blog\/#website"},"datePublished":"2024-11-29T02:54:59+00:00","dateModified":"2024-11-29T02:54:59+00:00","description":"How to change value in HashMap Java? In Java, a HashMap is a collection that stores key-value pairs. If you want to change the value associated with a","breadcrumb":{"@id":"https:\/\/namso-gen.co\/blog\/how-to-change-value-in-hashmap-java\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/namso-gen.co\/blog\/how-to-change-value-in-hashmap-java\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/namso-gen.co\/blog\/how-to-change-value-in-hashmap-java\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/namso-gen.co\/blog\/"},{"@type":"ListItem","position":2,"name":"How to change value in HashMap Java?"}]},{"@type":"WebSite","@id":"https:\/\/namso-gen.co\/blog\/#website","url":"https:\/\/namso-gen.co\/blog\/","name":"Namso Gen Blog - Free Credit Card Generator [100% Valid]","description":"In Namso gen blog you can get many tips regarding to Credit cards, VCC, Credit card security etc. You can generate credit cards by using Namso-gen.co","publisher":{"@id":"https:\/\/namso-gen.co\/blog\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/namso-gen.co\/blog\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"en-US"},{"@type":"Organization","@id":"https:\/\/namso-gen.co\/blog\/#organization","name":"Namso Gen Blog - Free Credit Card Generator [100% Valid]","url":"https:\/\/namso-gen.co\/blog\/","logo":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/namso-gen.co\/blog\/#\/schema\/logo\/image\/","url":"https:\/\/namso-gen.co\/blog\/wp-content\/uploads\/2020\/07\/namso-gen-logo.png","contentUrl":"https:\/\/namso-gen.co\/blog\/wp-content\/uploads\/2020\/07\/namso-gen-logo.png","width":500,"height":164,"caption":"Namso Gen Blog - Free Credit Card Generator [100% Valid]"},"image":{"@id":"https:\/\/namso-gen.co\/blog\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/www.facebook.com\/synchronyfinancial","https:\/\/twitter.com\/synchrony","https:\/\/www.youtube.com\/synchronyfinancial","https:\/\/www.instagram.com\/synchrony","https:\/\/www.linkedin.com\/company\/synchrony-financial"]},{"@type":"Person","@id":"https:\/\/namso-gen.co\/blog\/#\/schema\/person\/88cd882dfb29a6b147bc0ea26dc84060","name":"Adam Forbes","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/namso-gen.co\/blog\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/?s=96&d=mm&r=g","caption":"Adam Forbes"},"description":"Guest author Adam Forbes has meticulously crafted and revised this article to the best of their knowledge and understanding. Readers are strongly advised to exercise caution, verify information independently, and rely on their own judgment when considering the information provided. Read more articles on Namso Gen here."}]}},"_links":{"self":[{"href":"https:\/\/namso-gen.co\/blog\/wp-json\/wp\/v2\/posts\/201060","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/namso-gen.co\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/namso-gen.co\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/namso-gen.co\/blog\/wp-json\/wp\/v2\/users\/51"}],"replies":[{"embeddable":true,"href":"https:\/\/namso-gen.co\/blog\/wp-json\/wp\/v2\/comments?post=201060"}],"version-history":[{"count":0,"href":"https:\/\/namso-gen.co\/blog\/wp-json\/wp\/v2\/posts\/201060\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/namso-gen.co\/blog\/wp-json\/wp\/v2\/media\/107420"}],"wp:attachment":[{"href":"https:\/\/namso-gen.co\/blog\/wp-json\/wp\/v2\/media?parent=201060"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/namso-gen.co\/blog\/wp-json\/wp\/v2\/categories?post=201060"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/namso-gen.co\/blog\/wp-json\/wp\/v2\/tags?post=201060"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}