java check if string appears twice in arraylist
//same as the Grepper awnser but for anything
//gets the amount of times the object appears in the array
public static int amountOfTimesObjectAppearsInArray(ArrayList<?> array, Object checkMe) {
int numCount = 0;
for (Object o : array) {
if (o.equals(checkMe)) numCount++;
}
return numCount;
}
//check if it appears more than once
public static boolean objectAppearsInArrayMoreThanOnce(ArrayList<?> array, Object checkMe) {
return amountOfTimesObjectAppearsInArray(array, checkMe)>1;
}