Is there a Java library that can “diff” two Objects?

Question

Is there a Java utility library that is analogous to the Unix program diff, but for Objects? I\'m looking for something that can compare two objects of the same type and ge

Answer 1

Yes, the java-util library has a GraphComparator class that will compare two Java Object Graphs. It returns the difference as a List of deltas. The GraphComparator also permits you to merge (apply) the deltas as well. This code only has dependencies on the JDK, no other libraries.