{"id":155,"date":"2026-03-21T07:41:14","date_gmt":"2026-03-21T07:41:14","guid":{"rendered":"https:\/\/alpeshconnect.in\/blog\/?p=155"},"modified":"2026-03-21T07:41:14","modified_gmt":"2026-03-21T07:41:14","slug":"java-string-manipulation-convert-to-uppercase-find-length-reverse-string-count-vowels","status":"publish","type":"post","link":"https:\/\/alpeshconnect.in\/blog\/2026\/03\/21\/java-string-manipulation-convert-to-uppercase-find-length-reverse-string-count-vowels\/","title":{"rendered":"Java String Manipulation: Convert to Uppercase, Find Length, Reverse String &amp; Count Vowels"},"content":{"rendered":"\n<p>Java Program to input string and perform convert uppercase,length of string,reverse the string,count vowels<\/p>\n\n\n\n<p><\/p>\n\n\n\n<p>import java.util.Scanner;<\/p>\n\n\n\n<p>public class StringOperations {<br>public static void main(String[] args) {<br>Scanner scanner = new Scanner(System.in);<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>    \/\/ Input string from user\n    System.out.print(\"Enter a string: \");\n    String input = scanner.nextLine();\n\n    \/\/ Convert to uppercase\n    String upperCase = input.toUpperCase();\n    System.out.println(\"Uppercase: \" + upperCase);\n\n    \/\/ Find length of string\n    int length = input.length();\n    System.out.println(\"Length of string: \" + length);\n\n    \/\/ Reverse the string\n    String reversed = new StringBuilder(input).reverse().toString();\n    System.out.println(\"Reversed string: \" + reversed);\n\n    \/\/ Count vowels\n    int vowelCount = 0;\n    for (int i = 0; i &lt; input.length(); i++) {\n        char ch = Character.toLowerCase(input.charAt(i));\n        if (ch == 'a' || ch == 'e' || ch == 'i' || ch == 'o' || ch == 'u') {\n            vowelCount++;\n        }\n    }\n    System.out.println(\"Number of vowels: \" + vowelCount);\n\n    scanner.close();\n}<\/code><\/pre>\n\n\n\n<p>}<\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Java Program to input string and perform convert uppercase,length of string,reverse the string,count vowels import java.util.Scanner; public class StringOperations {public static void main(String[] args) {Scanner scanner = new Scanner(System.in); }<\/p>\n","protected":false},"author":1,"featured_media":97,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3,48],"tags":[25,26,49,30],"class_list":["post-155","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-bca","category-java-programming-language","tag-bca","tag-bca-paper-solution","tag-java-programming-language","tag-object-oriented-programming-in-java"],"_links":{"self":[{"href":"https:\/\/alpeshconnect.in\/blog\/wp-json\/wp\/v2\/posts\/155","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/alpeshconnect.in\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/alpeshconnect.in\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/alpeshconnect.in\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/alpeshconnect.in\/blog\/wp-json\/wp\/v2\/comments?post=155"}],"version-history":[{"count":1,"href":"https:\/\/alpeshconnect.in\/blog\/wp-json\/wp\/v2\/posts\/155\/revisions"}],"predecessor-version":[{"id":156,"href":"https:\/\/alpeshconnect.in\/blog\/wp-json\/wp\/v2\/posts\/155\/revisions\/156"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/alpeshconnect.in\/blog\/wp-json\/wp\/v2\/media\/97"}],"wp:attachment":[{"href":"https:\/\/alpeshconnect.in\/blog\/wp-json\/wp\/v2\/media?parent=155"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/alpeshconnect.in\/blog\/wp-json\/wp\/v2\/categories?post=155"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/alpeshconnect.in\/blog\/wp-json\/wp\/v2\/tags?post=155"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}