A class games.cards.Poker is correctly defined in the jar file Poker.jar. <br /> A user wants to execute the main method of Poker on a UNIX system using the command: <br /> java games.cards.Poker <br /> What allows the user to do this?() 
A、 put Poker.jar in directory /stuff/java, and set the CLASSPATH to include /stuff/java
B、 put Poker.jar in directory /stuff/java, and set the CLASSPATH to include /stuff/java/*.jar
C、 Put Poker.jar in directory /stuff/java, and set the CLASSPATH to include /stuff/java/Poker.jar
D、 put Poker.jar in directory /stuff/java/games/cards, and set the CLASSPATH to include /stuff/java
E、 put Poker.jar in directory /stuff/java/games/cards, and set the CLASSPATH to include /stuffijava/*.jar
F、 put Poker.jar in directory /stuff/java/games/cards, and set the CLASSPATH to include /stuff/java/Poker.jar