override equals method to compare more than one field in java

Question

What is the best way to override equals method in java to compare more than one field? For example, I have 4 objects in the class, o1, o2, o3, o4 and I want compare all of t

Answer 1

A cheap way would be to do:

Arrays.asList(o1, o2, o3, o4).equals(Arrays.asList(obj.o1, obj.o2, obj.o3, obj.o4));