Comparing two Collections in Java

Question

I have two Collections in a Java class.The first collection contains previous data, the second contains updated data from the previous collection.

I would like to c

Answer 1

public static boolean isEqualCollection(java.util.Collection a,
                                        java.util.Collection b)

Returns true if the given Collections contain exactly the same elements with exactly the same cardinalities.

That is, iff the cardinality of e in a is equal to the cardinality of e in b, for each element e in a or b.

Parameters:

• the first collection, must not be null
• the second collection, must not be null

Returns: true iff the collections contain the same elements with the same cardinalities.