Java ArrayList - Check if list is empty

Question

How can I check if a list is empty? If so, the system has to give a message saying List is empty. If not, the system has to give a message saying Li

Answer 1

Alternatively, you may also want to check by the .size() method. The list that isn't empty will have a size more than zero

if (numbers.size()>0){
//execute your code
}