Program To Print Reverse Of A String In Java

Java Program to Reverse a String using StringBuilder. We use the StringBuilder class to reverse the given string in this example. Here, StringBuilderrevStr will create a StringBuilder of name sb. The sb.reverse inside the println statement calls the reverse function available in the StringBuilder class to reverse the text.

Word by Word. 1 Read the string using scanner object scan.nextLine and store it in the variable str. We are converting the string into the char array using the string class method toChatArray, and initialized to char ch. 2 The 1st for loop iterates from i0 to ilt length of the array. a If chi!' ' then adding ch0 to the string word. If block adds the characters to the string

4. Using Collections.reverse method. Convert the input string into the character array by using toCharArray built in method. Then, add the characters of the array into the ArrayList object. Java also has built in reverse method for the Collections class. Since Collections class reverse method takes a list object, to reverse the list, we will pass the ArrayList object which is a type of

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After all, we want a Java program to reverse a string! We can do this with a decrementing loop this starts at the last index character of the string object, then decrements on each loop until it reaches the 0th index the first char. Once the recursion has completed, we can print the string reverse by printing the result of calling the

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. A Traditional for Loop

The reverse of the given string is thgileD eihceT. 3. Using Java Collections Framework reverse method. We can use Collections.reverse to reverse a string in Java. Following are the complete steps Create an empty ArrayList of characters and initialize it with characters of the given string using String.toCharArray.

Read Also Java Program To Print Vowels In A String - 2 Simple Programs. Approach-3 Reverse A String In Java Using Recursion. Recursion is the process of calling the same method by itself continuously. We can use recursion in java to reverse a String or to reverse a sentence in Java.

Since the below method using XOR to reverse a string is not listed, I am attaching this method to reverse a string. The Algorithm is based on 1.A XOR B XOR B A . 2.A XOR B XOR A B. Code snippet

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