WebOct 11, 2024 · Initializing values and variables in Scala. The difference between var and val is simple: variables can be modified, while values cannot. In the example represented in … WebApr 20, 2024 · Option is a data structure that represents optionality, as the name suggests. Whenever a computation may not return a value, you can return an Option. Option has two cases (represented as two subclasses): Some or None. In the example above, the method …
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