Java 8 has a new String.chars() method which returns a stream of characters in the String. You can use stream operations to filter out the duplicate characters like so:

Feb 13, 2014 · To solve the problem, you can use a Set to eliminate duplicated words. If the problem must be solved by O (n^2) loops, the following code will work: Best answer so far. …

Jul 22, 2015 · if (!duplicate.contains(c)) { if (!unique.add(c)) { // It was already there. unique.remove(c); // Mark it as duplicate. duplicate.add(c); } } } System.out.println("Unique:" + …

Feb 12, 2024 · In this article we have given a string, the task is to remove duplicates from it. Example. This approach uses a for loop to check for duplicate characters, the code checks for …

Jun 2, 2023 · Example of Non repeating characters in a string in Java: Input: “Prepbytes” Output: r. Explanation: "r” is the first character in the string that does not repeat. We will look at six …

We can remove the duplicate characters from a string by using the simple for loop, sorting, hashing, and IndexOf () method. So, there can be more than one way for removing duplicates. …

Oct 13, 2023 · Write a java program for a given string S, the task is to remove all the duplicates in the given string. Below are the different methods to remove duplicates in a string. Note: The …

Dec 10, 2014 · In Java 8, there is a new method String.chars () which returns a stream of ints (i.e. IntStream) that represent the character codes. Printing the character stream by looping …

Jun 5, 2022 · In this tutorial, we will learn java program to print all characters of the string which are not repeating. Take any string as an input from the user and check if any character in the …

Mar 17, 2025 · Java exercises and solution: Write a Java program to print the result of removing duplicates from a given string.