size of list java code example

Example 1: arraylist length java

aList.size()

Example 2: java list length

ArrayList<String> listOfBanks = new ArrayList<>(); 
int size = listOfBanks.size(); 
System.out.println("size of array list after creating: " + size);

Example 3: list size in java

Collection<Object> list = new ArrayList<>();
        list.size();
        
        // All collections use size()
        // array use array. length