how to get values from list object in java 8 code example

Example 1: java stream find specific element

Customer james = customers.stream()
  .filter(customer -> "James".equals(customer.getName()))
  .findAny()
  .orElse(null);

Example 2: find object with same attribute java stream

Optional<Person> matchingObject = objects.stream().
    filter(p -> p.email().equals("testemail")).
    findFirst();

Example 3: how to get elements of a list in java

int num = list.get(0);