Android Utililty Methods List Search

if (orgList == null)
    return true;
for (String strList : orgList)
    if (strList.equals(srcStr))
        return false;
return true;

Double max = Double.MIN_VALUE;
for (int i = 0; i < ids_int.size(); i++) {
    if (ids_int.get(i) > max) {
        max = ids_int.get(i);
return max;

if (list.isEmpty())
    return true;
int curr = list.get(0);
for (int i = 0; i < list.size(); i++) {
    if (list.get(i) != curr)
        return false;
    curr++;
return true;