how to add elements to arraylist java 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: java arraylist add

//create ArrayList
ArrayList<String> arrayList = new ArrayList<String>();
//add item to ArrayList
arrayList.add("item");
//check if ArrayList contains item (returns boolean)
System.out.println(arrayList.contains("item"));
//remove item from ArrayList
arrayList.remove("item");