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#odersky-programming-in-scala-1ed #scala
So greetStrings(i) gets transformed into greetStrings.apply(i) .
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Next Steps in Scala
an Java. Arrays are simply instances of classes like any other class in Scala. When you apply parentheses surrounding one or more values to a variable, Scala will transform the code into an invocation of a method named apply on that variable. <span>So greetStrings(i) gets transformed into greetStrings.apply(i). Thus accessing an element of an array in Scala is simply a method call like any other. This principle is not restricted to arrays: any application of an object to some arguments in paren


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