单项选择题 A UNIX user named Bob wants to replace his chess program with a new one，but he is hot sure where the old one is in stalled.Bob is currently able to run a Java chess program starting from his home directory/home/bobusingthecommand： java-classpath/test：/home/bob/downloads/*.jargames.ChessBob’sCLASSPATHisset（atlogintime）to： /usr/lib：/home/bob/classes：/opt/java/lib：/opt/java/lib/*.jar What is a possible location for the Chess.class file？（）

多项选择题 package com.company.application； public class MainClass{ public static void main（String[]args）{} } And Main Class exists in the/apps/com/company/application directory.Assume the CLASSPATH environment variable is set to“.”（currentdirectory）.Which two java commands entered at the command line will run MainClass（）

多项选择题 A developer is creating a class Book that needs to access class Paper.The Paper class is deployed in a JARnamedmyLib.jar.Whichthree，taken independently，will allow the developer to use the Paper class while compiling the Book class？（）