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

Change this

for(int i = 0; files.size() <= i; i++){
    System.out.println( i + ". Ist: " + files[i]);
}

As

for(String i:files){
    System.out.println(i);
}

If you need index

int index = 0;
for(String i:files){
        System.out.println((index++) + ".Ist: " +i);
    }