91 A class games.cards.Poker is correctly defined in the jar file Poker.jar. A user wants to execute the main method of Poker on a UNIX system using the command: 
java games.cards.Poker 
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 /stuff/java/*.jar 
(AB) put Poker.jar in directory /stuff/java/games/cards, and set the CLASSPATH to include /stuff/java/Poker.jar

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統計： A(4), B(3), C(7), D(3), E(1) #2194168