how to add elements in arraylist code example

Example 1: how to add elements to Jlist

DefaultListModel<String> model = new DefaultListModel<>();
JList<String> list = new JList<>( model );

for ( int i = 0; i < customers.length; i++ ){
  model.addElement( customers[i].getName() );
}

Example 2: how to add to an arraylist java

import java.util.ArrayList;
public class Details {
    public static void main(String[] args) {

        //ArrayList<String> Declaration
        ArrayList<String> al= new ArrayList<String>();
        //add method for String ArrayList
        al.add("Ram");
        al.add("Shyam");
        al.add("CPS");
        al.add("John");
        al.add("Steve");
        System.out.println("Elements of ArrayList of String Type: "+al);