How to compare two different list object in java?

Question

I have two class lists like List A1 and List b1 and both lists contain one field which is common. So by using this fiel

Answer 1

I'm not sure I fully understand the question, but you're asking for something like this?

public boolean compare (List listA, List listB) {
    if (listA.size() != listB.size () return false;
    for (int i=0; i

Both lists should be sorted by that commonField field