Write a Java program to find the first non-repeating character in a string. Visual Presentation: Sample Solution: Java Code: // Importing necessary Java utilities.importjava.util.*;// Define a class named Main.
Sample Output: Original String: wresource First unique character of the above: 0 Flowchart: For more Practice: Solve these Related Problems: Write a Java program to find the index of the first non-repeating vowel in a given string. Write a Java program to find the index of the last unique...
the longest non-repeating substringoutput a lookup table of alreadyvisitedcharacters String getUniqueCharacterSubstring(String input) { Map<Character, Integer> visited = new HashMap<>(); String output = ""; for (int start = 0, end = 0; end < input.length(); end++) { char currChar = ...
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Finding the first non-repeating character in a string is a common programming problem. It involves finding the first character that appears only once in the string. This task helps understand how to manipulate strings and use basic data structures in Java. Problem Statement Given a string, ...
look it up in the hashtable, if there is a '1', then return that character because it will be the first nonrepeating character in the string. If none of the characters in the string have a count of 1, then return null, meaning there are no nonrepeated characters in the input string...
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