[java] How do I remove repeated elements from ArrayList?

import java.util.*;
class RemoveDupFrmString
{
    public static void main(String[] args)
    {

        String s="appsc";

        Set<Character> unique = new LinkedHashSet<Character> ();

        for(char c : s.toCharArray()) {

            System.out.println(unique.add(c));
        }
        for(char dis:unique){
            System.out.println(dis);
        }


    }
}

Examples related to java

Under what circumstances can I call findViewById with an Options Menu / Action Bar item? How much should a function trust another function How to implement a simple scenario the OO way Two constructors How do I get some variable from another class in Java? this in equals method How to split a string in two and store it in a field How to do perspective fixing? String index out of range: 4 My eclipse won't open, i download the bundle pack it keeps saying error log

Examples related to list

Convert List to Pandas Dataframe Column Python find elements in one list that are not in the other Sorting a list with stream.sorted() in Java Python Loop: List Index Out of Range How to combine two lists in R How do I multiply each element in a list by a number? Save a list to a .txt file The most efficient way to remove first N elements in a list? TypeError: list indices must be integers or slices, not str Parse JSON String into List<string>

Examples related to collections

Kotlin's List missing "add", "remove", Map missing "put", etc? How to unset (remove) a collection element after fetching it? How can I get a List from some class properties with Java 8 Stream? Java 8 stream map to list of keys sorted by values How to convert String into Hashmap in java How can I turn a List of Lists into a List in Java 8? MongoDB Show all contents from all collections Get nth character of a string in Swift programming language Java 8 Distinct by property Is there a typescript List<> and/or Map<> class/library?

Examples related to arraylist

Adding null values to arraylist How to iterate through an ArrayList of Objects of ArrayList of Objects? Dynamically adding elements to ArrayList in Groovy How to replace existing value of ArrayList element in Java How to remove the last element added into the List? How to append elements at the end of ArrayList in Java? Removing Duplicate Values from ArrayList How to declare an ArrayList with values? In Java, can you modify a List while iterating through it? Load arrayList data into JTable

Examples related to duplicates

Remove duplicates from dataframe, based on two columns A,B, keeping row with max value in another column C Remove duplicates from a dataframe in PySpark How to "select distinct" across multiple data frame columns in pandas? How to find duplicate records in PostgreSQL Drop all duplicate rows across multiple columns in Python Pandas Left Join without duplicate rows from left table Finding duplicate integers in an array and display how many times they occurred How do I use SELECT GROUP BY in DataTable.Select(Expression)? How to delete duplicate rows in SQL Server? Python copy files to a new directory and rename if file name already exists