Apr 13, 2017 · When I call the print playerInventory line, the arrayList returns [] you are not inserting any string in the Inventory... thus the empty list... by the way, this is redundant:

However, you have updated your code to use the List.isEmpty() method to properly check if the list is empty. The problem now is that you are never actually sending an empty list to …

Feb 9, 2015 · With Java 9, you can now use the static factory method List::of to create an immutable empty list: return List.of(); Try it like this: List<Lookup> result = new …

Dec 11, 2024 · Example 1: Here, we use the isEmpty () method to check whether an ArrayList of integers is empty. Return Type: It returns a boolean value, true if the list is empty, otherwise …

The object data was never serialized properly, leading to an empty read. The file you are attempting to read from does not exist or is empty. The ArrayList refers to a temporary …

Not initializing the ArrayList properly before checking its size. Misunderstanding the methods available in the ArrayList class. Solutions. Use the isEmpty() method of the ArrayList, which …

The ArrayList is empty, leading to no output. Incorrect usage of the print method or statement. Using an incompatible data type when attempting to convert the ArrayList for output. Solutions. …

Dec 30, 2024 · There are multiple ways to check if an ArrayList is empty. One way is to use the isEmpty() method. The isEmpty() method returns a boolean value of true if the ArrayList is …

Find out if an ArrayList is empty or not in java using the comparison if else statement or using a method called isEmpty() method with proper coding example

Apr 28, 2017 · ArrayList<InterviewQuestion> interviewQuestionArrayList = new ArrayList<>(); for (int i = 0; i <interviewQuestionArrayList.size(); i++) { interviewQuestionArrayList.add(new …