IT Nursery
public static ArrayList mainList = someList; How can I get a specific item from this ArrayList? mainList...
I had this code: String...
How can I check if a value that is written in scanner exists in an ArrayList? List<CurrentAccount> lista = new ArrayList<CurrentAccount>(); CurrentAccount conta1 ...
-
May 31, 2022
- 0 Comments
I try with a loop like that // ArrayList tourists for (Tourist t : tourists) { if (t != null) { t.setId(idForm); } ...
-
May 31, 2022
- 0 Comments
I am wanting to create an array of arraylist like below: ArrayList<Individual> group = new ArrayList<Individual>()...
So, normally ArrayList.toArray() would return a type of Object...
I have an ArrayList, a Collection class of Java, as follows: ArrayList<String> animals = new ArrayList<String>(); animals.add("bat"); animals.add("owl"); animals.add("bat"); animals.add("bat"); As you can ...
-
May 26, 2022
- 0 Comments
I use a lot of lists and arrays but I have yet to come across a scenario in which the array list couldn’t ...
-
May 26, 2022
- 0 Comments
This question already has answers here: Sort ArrayList of custom Objects by property (29 answers) Closed 8 years ago. I have a class ...
-
May 26, 2022
- 0 Comments
This question already has answers here: Initialization of an ArrayList in one line (33 answers) Closed 6 years ago. ArrayList or List declaration ...
-
May 26, 2022
- 0 Comments