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4 days ago · Different Methods to Reverse a String in Java. Table of Content. Method 1: Using a “for” Loop. Method 2: Converting String into Bytes. Method 3: Using built in reverse () method of the StringBuilder Class. Method 4: Converting String to Character Array. Method 5: Using ArrayList Object. Method 6: Using StringBuffer. Method 7: Using Stack.
You can easily reverse a string by characters with the following example: Example. String originalStr = "Hello"; String reversedStr = ""; for (int i = 0; i < originalStr.length(); i++) { . reversedStr = originalStr.charAt(i) + reversedStr; } System.out.println("Reversed string: "+ reversedStr); Try it Yourself » Related Pages.
We can reverse String using StringBuffer, StringBuilder, iteration etc. Let's see the ways to reverse String in Java.
Oct 1, 2024 · // Java program to reverse a string using Recursion class GfG {// Recursive function to reverse a string from l to r static void reverseStringRec (char [] s, int l, int r) {if (l >= r) return; // Swap the characters at the ends char temp = s [l]; s [l] = s [r]; s [r] = temp; // Recur for the remaining string reverseStringRec (s, l + 1, r-1 ...
Oct 18, 2024 · Java program to find a reverse a string – Using Static Method. Using Array. Using Recursion – In case if you have no idea check out the complete guide here. Using While Loop. Using For Loop – Tutorial With Examples. Using Word by Word. Reverse A String – Using Static Method.
Sep 10, 2017 · You can use this: new StringBuilder(hi).reverse().toString() StringBuilder was added in Java 5. For versions prior to Java 5, the StringBuffer class can be used instead — it has the same API. edited Oct 13, 2021 at 22:08. M. Justin. 20.2k 9 122 156. answered Sep 27, 2011 at 12:47.
Apr 22, 2023 · The reverseString method takes in the original string and iterates over its characters from the last character to the first character using a for loop. During each iteration, the method appends the current character to a new string variable called reversed.
The Stream API, introduced in Java 8, provides a declarative approach to processing sequences of elements, including strings. Let's demonstrate how to reverse a string by converting it to a stream of characters, processing it with the Stream API, and then collecting the results into a string.
Jan 8, 2024 · In this quick tutorial, we’re going to see how we can reverse a String in Java. We’ll start to do this processing using plain Java solutions. Next, we’ll have a look at the options that third-party libraries like Apache Commons provide. Furthermore, we’ll demonstrate how to reverse the order of words in a sentence. 2.
Apr 1, 2024 · This post covers 10 different ways to reverse a string in java by using StringBuilder, StringBuffer, Stack data structure, Java Collections framework reverse() method, character array, byte array, + (string concatenation) operator, Unicode right-to-left override (RLO) character, recursion, and substring() function.
