My first step is to create a new type that defines all the moods to track. This is easily done using a Java 5 enumeration type, as shown in Listing 3.
我的第一步是创建一个新类型，用于定义要跟踪的所有情绪。
My first step is to create a new type that defines all the moods to track. This is easily done using a Java 5 enumeration type, as shown in Listing 3.
我的第一步是创建一个新类型，用于定义要跟踪的所有情绪。
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