please use java and explain

3. 20 pts. Write a static method to read from a file, one entry per line, into a parameter array named 'success until the number of elements in 'success' reaches 1000 or the end of a file. If there are more numbers that the array can hold, return the number of elements that did not fit into the array, or return 0 if the array was able to hold all the input values. Your code should be able to handle an empty file. The input parameters are Scanner input, intl] success