string remove duplicate in java

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showing results for - "string remove duplicate in java"
Elliot
14 May 2020
1import java.util.*;
2
3public class RemoveDuplicatesFromArrayList {
4
5    public static void main(String[] args) {
6        List<Integer> numbers = Arrays.asList(1,2,2,2,3,5);
7
8        System.out.println(numbers);
9
10        Set<Integer> hashSet = new LinkedHashSet(numbers);
11        ArrayList<Integer> removedDuplicates = new ArrayList(hashSet);
12
13        System.out.println(removedDuplicates);
14    }
15}
16
Tim
05 Aug 2019
1String str1 = "ABCDABCD";
2String result1 = "";
3
4for (int a = 0; a <= str1.length()-1; a++) {
5if (result1.contains("" + str1.charAt(a))) { 
6// charAt methodda you provide index number ve sana character olarak donuyor,
7// If the string result does not contains str.CharAt(i), 
8// then we concate it to the result. if it does we will not
9   continue;
10}
11result1 += str1.charAt(a);
12}
13System.out.println(result1);
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