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#odersky-programming-in-scala-1ed #scala
Question
When a singleton object shares the same name with a class, it is called that class's [...].

Tags
#odersky-programming-in-scala-1ed #scala
Question
When a singleton object shares the same name with a class, it is called that class's [...].
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Tags
#odersky-programming-in-scala-1ed #scala
Question
When a singleton object shares the same name with a class, it is called that class's [...].
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When a singleton object shares the same name with a class, it is called that class's companion object. You must define both the class and its companion object in the same source file. The class is called the companion class of the singleton object. A class and its companion object can a

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Classes and Objects
s like a class definition, except instead of the keyword class you use the keyword object. Listing 4.2 shows an example. The singleton object in this figure is named ChecksumAccumulator, the same name as the class in the previous example. <span>When a singleton object shares the same name with a class, it is called that class's companion object. You must define both the class and its companion object in the same source file. The class is called the companion class of the singleton object. A class and its companion object can access each other's private members. The ChecksumAccumulator singleton object has one method, named calculate, which takes a String and calculates a checksum for the characters in the String. It also has one private field,

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