I want to create a 2D array that each cell is an ArrayList! If you want to create a 2D array of ArrayList.Then you can do this : ArrayList table = new...
Error: cannot find symbol ArrayList
ArrayList is unique in its naming standards. Here are the equivalencies: Array.push -> ArrayList.add(Object o); // Append the list Array.pop -> ArrayList.remove(int index); // Remove list[index] Array.shift -> ArrayList.remove(0); //...
How to get the last value of an ArrayList
You need to use the new operator when creating the object Contacts.add(new Data(name, address, contact)); // Creating a new object and adding it to list - single step or...
Add String Array to ArrayList
Incompatible types List of List and ArrayList of ArrayList
You are attempting to access a private member of ArrayList, part of its internal working that are not supposed to be used externally If you want to get the size...
4 I want a test class to test this class but i dont know how to write it and i tried to see online but i still couldnt figure...
Try something like List<String> myList = new ArrayList<String>(Arrays.asList(s.split(","))); Demo: String s = "lorem,ipsum,dolor,sit,amet"; List<String> myList = new ArrayList<String>(Arrays.asList(s.split(","))); System.out.println(myList); // prints...