Remove duplicates from list java

Java remove duplicates

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);
    }
}

Source: devqa.io

Remove duplicates from list java

 ArrayList<Object> withDuplicateValues;
 HashSet<Object> withUniqueValue = new HashSet<>(withDuplicateValues);
 
 withDuplicateValues.clear();
 withDuplicateValues.addAll(withUniqueValue);

Java remove duplicates

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

Compare two lists and remove duplicates java

listA.removeAll(new HashSet(listB));

Source: stackoverflow.com

Array remove duplicate in java

List<Integer>numbers = Arrays.asList(1,2,2,2,3,5); // [1, 2, 3, 5]
System.out.println(numbers);

Set<Integer> hashSet = new LinkedHashSet(numbers);
ArrayList<Integer> removedDuplicates = new ArrayList(hashSet);
System.out.println(removedDuplicates); // [1, 2, 3, 5]

-1

Similar codes

0 vote216 views1 answer
Android ecode base64
Java
0 vote192 views1 answer
String compareto vs equals java
Java
1 vote189 views1 answer
How to initialize main in java
Java
19 votes200 views2 answers
How to make a loop in java
Java
0 vote188 views1 answer
Sort a list in java according to last name
Java
0 vote188 views1 answer
Argumentcaptor java mockito
Java
0 vote241 views1 answer
Selenium java control + enter
Java
3 votes190 views2 answers
Java infinite for loop
Java
0 vote189 views1 answer
Calculate Standard Deviation in java
Java
0 vote192 views1 answer
Why to use serializable with java bean
Java