通过将txt文件和Pass数组引用变量传递给heapsort方法来创建数组

I need help with my project for data structure course. I am suppose to read 10 employees data stored in a text file called Employee.txt and read them into an array then pass that array into the heapSort method and print the sorted employees into an output file called SortedEmployee.txt. For some reason my program is not working. Can anyone help please?I need help with my project for data structure