Removing Duplicate Values from ArrayList

Question

I have one Arraylist of String and I have added Some Duplicate Value in that. and i just wanna remove that Duplicate value So how to remove it.

Here Example I got o

Answer 1

private static void removeDuplicates(List list)
{
    Collections.sort(list);
    int count = list.size();
    for (int i = 0; i < count; i++) 
    {
        if(i+1