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

-1 vote212 views1 answer
Java game development course free
Java
0 vote209 views1 answer
Double quotes in string java
Java
14 votes223 views1 answer
Java bean
Java
0 vote213 views1 answer
Bukkit delayed task
Java
1 vote212 views1 answer
How to add elements to an array in java dynamically
Java
0 vote194 views1 answer
If not java
Java
48 votes204 views6 answers
How to generate random numbers in java within range
Java
9 votes216 views3 answers
Java long to int
Java
2 votes230 views1 answer
Loop through dictionary java
Java
0 vote215 views1 answer
Scs
Java