Check whether list of custom objects have same value for a property in Java 8

Question

I am new to Java 8. I have a list of custom objects of type A, where A is like below:

 class A {
      int id;
      String name;
 }

I woul

Answer 1

One way is to get the name of the first list and call allMatch and check against that.

String firstName = yourListOfAs.get(0).name;
boolean allSameName = yourListOfAs.stream().allMatch(x -> x.name.equals(firstName));