get index 0 of arraylist code example

Example 1: find first element of list java

final Object firstElement = list.stream()
  .findFirst()
  .orElse(new Object()) //Give a default value if there are no elements
  
final Object firstElement = list.stream()
  .findFirst()
  .orElseThrow(() -> new Exception()) //Throw an exception if there are no elements

Example 2: java arraylist access index

List<String> cities = new ArrayList<String>();
cities.add("Tuguegarao City");
cities.add("Tabuk City");
cities.add("Davao City");

System.out.println(cities.get(1)); //prints "Tabuk City"