How to remove Duplicate value from arraylist in Android [duplicate]

Question

ArrayList<String> values=new ArrayList<String>(); values.add("s"); values.add("n"); values.add("a"); values.add("s"); 

In this Array, I want to remove repeated values.

Answer 1

Try this...

    ArrayList<String> values=new ArrayList<String>();     HashSet<String> hashSet = new HashSet<String>();     hashSet.addAll(values);     values.clear();     values.addAll(hashSet); 

Answer 2

Try below code,

ArrayList<String> values=new ArrayList<String>(); String newValue;  // repeated additions: if (!values.contains(newValue)) {values.add(newValue);}