package com.exception;public class ExceptionTest { /** * @param args */ public static void main(String[] args) { // TODO Auto-generated method stub Book[] book={new Book(1,"高數(shù)"),new Book(2,"論語(yǔ)"),new Book(3,"英語(yǔ)"),new Book(4,"編程"),new Book(5,"語(yǔ)文")}; BookAdmin ba=new BookAdmin(); int command=ba.inputCommand(); while(true){ System.out.println("輸入命令：1-按照名稱查找圖書(shū)；2-按照序號(hào)查找圖書(shū)"); try{ switch(command){ case 1: String book1=ba.getBookByName(book); System.out.println("book:"+book1); break; case 2: String book2=ba.getBookByName(book); System.out.println("book:"+book2); break; case -1: System.out.println("命令輸入錯(cuò)誤！請(qǐng)根據(jù)提示輸入數(shù)字命令！"); continue; default: System.out.println("命令輸入錯(cuò)誤！"); continue; } }catch(Exception e){ System.out.println(e.getMessage()); } } }}哪位大神幫忙看看怎么運(yùn)行的時(shí)候啥輸出都沒(méi)有。調(diào)用方法寫(xiě)在另一個(gè)類里了，程序也沒(méi)報(bào)錯(cuò)。跪求大神指導(dǎo)