我已经成功地编制了我的list程序://Inventory.javapart1//thisprogramistocalculatethevalueoftheinventoryoftheElectronicsDepartment'scamerasimportjava.util.*;importjavax.swing.*;importjava.awt.event.*;importjava.io.*;publicclassInventory{publicstaticvoidmain(String[]args){//createScannertoobtaininputfromthecomman

毫无疑问，我在这里遗漏了一些非常明显的东西，但我无法弄清楚。任何帮助，将不胜感激。错误来自这里:packageB00166353_Grades;publicclassStudent{Stringname,banner;publicStudent(Stringname,Stringbanner){this.name=name;this.banner=banner;}publicStringtoString(){StringproductDetails=newString();productDetails+=String.format("%-20s%10.2s%10s",this.name