Java Utililty Methods ArrayList Intersect

List of utility methods to do ArrayList Intersect

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Description

The list of methods to do ArrayList Intersect are organized into topic(s).

Method

ArrayListIntersect(ArrayList list1, ArrayList list2)
Finds the intersection between two lists of String objects. 
if (list1.size() == 0)
    return list2;
Set intersection = new HashSet(list1);
intersection.retainAll(new HashSet(list2));
return new ArrayList(intersection);
ArrayListintersection(ArrayList List1, ArrayList List2)
Returns the intersection of two lists passed to it. 
ArrayList<Integer> intersection = new ArrayList<Integer>();
if (List1 != null && List2 != null)
    for (int i : List1)
        if (List2.contains(i))
            intersection.add(i);
return intersection;
ArrayListintersection(ArrayList list1, ArrayList list2)
intersection 
ArrayList<String> result = new ArrayList<String>();
int i1 = 0;
int i2 = 0;
while (i1 < list1.size() && i2 < list2.size()) {
    String s1 = list1.get(i1);
    String s2 = list2.get(i2);
    int num = s1.compareTo(s2);
    if (num == 0) {
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