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MissingFormatArgumentException

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java - MissingFormatArgumentException 错误

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

java - 线程 "main"java.util.MissingFormatArgumentException : Format specifier '10s' 中的异常

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