remove duplicate value from string
// remove duplicate value from string let str = "a b a"; let words = str.toLowerCase().split(" "); const remDuplicate = words.filter((data,index,src)=>{ return src.indexOf(data)===index }) console.log("remDuplicate =>",remDuplicate)
remove duplicate from string
// Java program to create a unique string import java.util.*; class IndexOf { // Function to make the string unique public static String unique(String s) { String str = new String(); int len = s.length(); // loop to traverse the string and // check for repeating chars using // IndexOf() method in Java for (int i = 0; i < len; i++) { // character at i'th index of s char c = s.charAt(i); // if c is present in str, it returns // the index of c, else it returns -1 if (str.indexOf(c) < 0) { // adding c to str if -1 is returned str += c; } } return str; } // Driver code public static void main(String[] args) { // Input string with repeating chars String s = "geeksforgeeks"; System.out.println(unique(s)); } }
Source: www.geeksforgeeks.org