87-cases-by-type

public Map<String, List<Case>> casesByType(List<Case> cases) {
    Map <String,List<Case>> caseList = new Map<String,List<Case>>();

    for (Case c : cases)
    {
        if (c.Type == null) continue;

        if (!caseList.containsKey(c.Type))
        {
            caseList.put(c.Type, new List<Case>());
            caseList.get(c.Type).add(c);
            continue;
        }
        caseList.get(c.Type).add(c);
        
    }
    return caseList;
}