Example of CopyOnWriteArrayList

 

import java.util.ArrayList;
import java.util.concurrent.CopyOnWriteArrayList;
import java.util.Iterator;

public class CopyOnWriteArrayListExample {

public static void main(String[] args) {
CopyOnWriteArrayList<String> al = new CopyOnWriteArrayList<>();

al.add("Aagya");
al.add("Vijay");
al.add("Mayank");
al.add("Nisha");
al.add("Nishu");

Iterator<String> itr = al.iterator();

al.add("Sudeep");
while (itr.hasNext()) {
System.out.println(itr.next());
}
System.out.println(al);
}
}

Google Script for Data Entry Form in Google Spreadsheet

// function to validate the entry made by user in user form function validateEntry (){ // declare a variable and referernece of active goog...