java简单的图书管理代码

源代码。自己做的再dos下的package chuli; import java.util.Scanner; public class Manager { Book book; int ID; String name; int PWD; public Manager(int ID,String name,int PWD) { this.ID=ID; this.name=name; this.PWD=PWD; } public void run(Book book[]) { while(true) { System.out.println