import java.util.ArrayList;
public class Main {
public static void main(String[] args) {
ArrayList arrayList = new ArrayList();
arrayList.add("1");
arrayList.add("2");
arrayList.add("3");
arrayList.set(1, "REPLACED ELEMENT");
for (String str: arrayList){
System.out.println(str);
}
}
}
/*
1
REPLACED ELEMENT
3
*/