The type of the expression must be an array type but it resolved to ArrayList (trying to compare string in two arrays

Question

Iam trying to compare each string or int in array with another array then print the results according to whether the string exists or not in the other array: Below is the wh

Answer 1

change Stocks[i] to Stocks.get(i) and NameofFileinDir[j] to NameofFileinDir.get(j)

Additional suggestions:

Also make NameofFileinDir to A hashSet for better performance

Also follow java camelCase naming convention like change NameofFileinDir to nameofFileinDir