String str1 = "ABCDABCD";
String result1 = "";

for (int a = 0; a <= str1.length()-1; a++) {
if (result1.contains("" + str1.charAt(a))) { 
// charAt methodda you provide index number ve sana character olarak donuyor,
// If the string result does not contains str.CharAt(i), 
// then we concate it to the result. if it does we will not
   continue;
}
result1 += str1.charAt(a);
}
System.out.println(result1);

Popularity 10/10 Helpfulness 5/10 Language java

Source: Grepper

Tags: java

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Contributed on Jun 04 2021

Ozzzy

0 Answers Avg Quality 2/10

java remove duplicates

Comment

import java.util.*;

public class RemoveDuplicatesFromArrayList {

    public static void main(String[] args) {
        List<Integer> numbers = Arrays.asList(1,2,2,2,3,5);

        System.out.println(numbers);

        Set<Integer> hashSet = new LinkedHashSet(numbers);
        ArrayList<Integer> removedDuplicates = new ArrayList(hashSet);

        System.out.println(removedDuplicates);
    }
}

Popularity 10/10 Helpfulness 5/10 Language java

Source: devqa.io

Tags: java

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Contributed on Jun 12 2020

Shy Snail

0 Answers Avg Quality 2/10

String remove duplicate method in java

Comment

public static void main(String[] args) {

        String result = removeDup("AAABBBCCC");
        System.out.println(result); // ABC

public static  String  removeDup( String  str) {
        String result = "";
        for (int i = 0; i < str.length(); i++)
            if (!result.contains("" + str.charAt(i)))
                result += "" + str.charAt(i);
        return result;
    }
}

Popularity 10/10 Helpfulness 4/10 Language java

Source: Grepper

Tags: java

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Contributed on Jun 04 2021

Ozzzy

0 Answers Avg Quality 2/10

java program to remove duplicate words in a string

Comment

String fullString = "lol lol";
String[] words = fullString.split("\\W+");
StringBuilder stringBuilder = new StringBuilder();
Set<String> wordsHashSet = new HashSet<>();

for (String word : words) {
    if (wordsHashSet.contains(word.toLowerCase())) continue;
    wordsHashSet.add(word.toLowerCase());
    stringBuilder.append(word).append(" ");
}
String nonDuplicateString = stringBuilder.toString().trim();

Popularity 9/10 Helpfulness 3/10 Language java

Source: stackoverflow.com

Tags: java

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Contributed on May 22 2021

VasteMonde

0 Answers Avg Quality 2/10

java remove duplicates

Comment

public static <T> ArrayList<T> removeDuplicates(ArrayList<T> list){
  Set<T> set = new LinkedHashSet<>(list);
  return new ArrayList<T>(set);
}

Popularity 10/10 Helpfulness 3/10 Language java

Source: Grepper

Tags: java

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Contributed on Jun 16 2020

Efton

0 Answers Avg Quality 2/10

remove duplicate from string

Comment

// 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));
    }
}

Popularity 10/10 Helpfulness 3/10 Language java

Source: www.geeksforgeeks.org

Tags: java

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Contributed on Dec 28 2021

Exuberant Eland

0 Answers Avg Quality 2/10

remove duplicate string collection in java

Comment

String str2 = "ABABABCDEF";// ABCDEF
        String[] arr2 = str2.split("");
str2 = new LinkedHashSet<>(Arrays.asList(arr2)).toString().replace(", ", "");
        System.out.println(str2); // ABCDEF

Popularity 8/10 Helpfulness 1/10 Language java

Source: Grepper

Tags: java string s

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Contributed on Jun 09 2021

Ozzzy

0 Answers Avg Quality 2/10