array required, but ArrayList found

Question

I have a ruby backround and im new to java i wrote a basic programm but somehow i get a error i cant fix! My code:

import java.util.ArrayList;

public class Musi         


        

Answer 1

You need to use the get() method to get the element at a particular index from an ArrayList. You can't use [] to get the element at a particular index, in an arraylist. Its possible only for arrays and your files is not an array, but an ArrayList.

System.out.println( i + ". Ist: " + files.get(i));

Also, the condition in your for loop is a bit off. files.size() <= i is false, and therefore, it doesn't enter the for loop at all.

Change it to something like this.

for(int i = 0; i < files.size() ; i++){