java set value of arraylist
import java.util.ArrayList;
public class SetExample {
public static void main(String args[]) {
ArrayList<Integer> arraylist = new ArrayList<Integer>();
arraylist.add(1);
System.out.println(arrayList.get(0));
//1
arrayList.set(0, 2)
System.out.println(arrayList.get(0));
//2
}
}set java
A Set is a Collection that cannot contain duplicate elements.
The Set interface contains only methods inherited from Collection
and adds the restriction that duplicate elements are prohibited.Copyright © 2021 Codeinu
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