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This article mainly shows you "java how to use substring () method to reverse characters", the content is easy to understand, clear, hope to help you solve your doubts, the following let the editor lead you to study and learn "java how to use substring () method to reverse characters" this article.

Use the substring () method

Package net.javaguides.corejava.string;/*** * @ author Ramesh Fadatare**/public class UsingSubStringFunction {/ / Function to reverse a string in Java using recursionprivate static String reverse (String str) {/ / base case: if string is null or emptyif (str = = null | | str.equals (")) return str;// last character + recurse for remaining stringreturn str.charAt (str.length ()-1) + reverse (str.substring (0, str.length ()-1)) } public static void main (String [] args) {String str = "javaguides"; / / string is immutablestr = reverse (str); System.out.println ("Reverse of the given string is:" + str);}}

Output:

Reverse of the given string is: sediugavaj above is all the content of the article "how java uses the substring () method to reverse characters". Thank you for reading! I believe we all have a certain understanding, hope to share the content to help you, if you want to learn more knowledge, welcome to follow the industry information channel!

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