Example<\/h2>\n

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Input: str = "Wikitechy"Output:         W 1        i 2        k 1        t 1        e 1        c 1        h 1        y 1<\/code><\/pre> <\/div>\n
Sample Code in Java<\/h2>\n
 
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\/\/ Java prorgam to count frequencies of \/\/ characters in string using Hashmap import java.io.*; import java.util.*; class OccurenceOfCharInString { \tstatic void characterCount(String inputString) \t{ \t\t\/\/ Creating a HashMap containing char \t\t\/\/ as a key and occurrences as a value \t\tHashMap<Character, Integer> charCountMap = new HashMap<Character, Integer>(); \t\t\/\/ Converting given string to char array \t\tchar[] strArray = inputString.toCharArray(); \t\t\/\/ checking each char of strArray \t\tfor (char c : strArray) { \t\t\tif (charCountMap.containsKey(c)) { \t\t\t\t\/\/ If char is present in charCountMap, \t\t\t\t\/\/ incrementing it's count by 1 \t\t\t\tcharCountMap.put(c, charCountMap.get(c) + 1); \t\t\t} \t\t\telse { \t\t\t\t\/\/ If char is not present in charCountMap, \t\t\t\t\/\/ putting this char to charCountMap with 1 as it's value \t\t\t\tcharCountMap.put(c, 1); \t\t\t} \t\t} \t\t\/\/ Printing the charCountMap \t\tfor (Map.Entry entry : charCountMap.entrySet()) { \t\t\tSystem.out.println(entry.getKey() + " " + entry.getValue()); \t\t} \t} \t\/\/ Driver Code \tpublic static void main(String[] args) \t{ \t\tString str = "Wikitechy"; \t\tcharacterCount(str); \t} } <\/code><\/pre> <\/div>\n
 
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Outputc 1t 1e 1W 1h 1i 2y 1k 1<\/code><\/pre> <\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"
Answer : In this program an approach using Hashmap….<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"passster_activate_protection":false,"passster_protect_child_pages":"","passster_protection_type":"password","passster_password":"","passster_activate_overwrite_defaults":"","passster_headline":"","passster_instruction":"","passster_placeholder":"","passster_button":"","passster_id":"","passster_activate_misc_settings":"","passster_redirect_url":"","passster_hide":"no","passster_area_shortcode":"","gtb_hide_title":false,"gtb_wrap_title":false,"gtb_class_title":"","gtb_remove_headerfooter":false,"footnotes":""},"categories":[4004],"tags":[195,491,360,203,199,214,4304,198,363,209,15938,4252,205,2936,222,4253,4311,196,212,213,4307,4300,4297,4303,4266,4298,4302,4299,286,207,366,4309,204,217,282,4310,4023,483,206,4306,4305,4308,4301,200,197,280,364,968],"class_list":["post-664","post","type-post","status-publish","format-standard","hentry","category-java","tag-accenture-interview-questions-and-answers","tag-applied-materials-interview-questions-and-answers","tag-atos-interview-questions-and-answers","tag-capgemini-interview-questions-and-answers","tag-casting-networks-india-pvt-limited-interview-questions-and-answers","tag-cgi-group-inc-interview-questions-and-answers","tag-charat-java","tag-chetu-interview-questions-and-answers","tag-ciena-corporation-interview-questions-and-answers","tag-collabera-technologies-interview-questions-and-answers","tag-compro-technologies-interview-questions-and-answers","tag-count-occurrences-of-character-in-string-java-using-hashmap","tag-dell-international-services-india-pvt-ltd-interview-questions-and-answers","tag-fis-global-business-solutions-india-pvt-ltd-interview-questions-and-answers","tag-flipkart-interview-questions-and-answers","tag-how-to-count-characters-in-string-array-in-java","tag-how-to-count-occurrence-of-a-given-character-in-a-string-in-c","tag-ibm-interview-questions-and-answers","tag-indecomm-global-services-interview-questions-and-answers","tag-infosys-technologies-interview-questions-and-answers","tag-java-counter","tag-java-replace","tag-java-string","tag-java-string-compare","tag-java-string-contains","tag-java-string-length","tag-java-string-replace","tag-java-trim","tag-lt-infotech-interview-questions-and-answers","tag-mphasis-interview-questions-and-answers","tag-netapp-interview-questions-and-answers","tag-occurrence-of-each-character-in-string-java","tag-oracle-corporation-interview-questions-and-answers","tag-peoplestrong-interview-questions-and-answers","tag-persistent-systems-interview-questions-and-answers","tag-program-to-find-occurrence-of-a-character-in-a-string-in-java","tag-rbs-india-de-interview-questions-and-answers","tag-reliance-industries-ltd-interview-questions-and-answers","tag-sap-labs-india-pvt-ltd-interview-questions-and-answers","tag-string-class-in-java","tag-string-class-methods-in-java","tag-string-count","tag-substring-java","tag-tech-mahindra-interview-questions-and-answers","tag-unitedhealth-group-interview-questions-and-answers","tag-virtusa-consulting-services-pvt-ltd-interview-questions-and-answers","tag-wells-fargo-interview-questions-and-answers","tag-wipro-infotech-interview-questions-and-answers"],"yoast_head":"\n