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 installed. Bob is currently able to run a Java chess program starting from his home directory /home/bob using the command： 
java -classpath /test：/home/bob/downloads/* .jar games.Chess 
Bob‟s CLASSPATH is set （at login time） to： 
/usr/lib：/home/bob/classes：/opt/java/lib：/opt/java/lib/* .jar 
What is a possible location for the Chess.class file？（） 

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