Help me with my code?

import java.io.*; import java.text.DecimalFormat; import javax.swing.JOptionPane; public class Temperature public static void main(String[] args) final int wkdays = 7; String[] days = {"Monday's", "Tuesday's", "Wednesday's", "Thursday's", "Friday's", "Saturday's", "Sunday's"}; String input = null; double feedback; double feedback2; double[] temp = new double[wkdays]; for (int d = 0; d