Scala Function Basics

NOTE: This is a very old post that I’ve migrated from my blogger account.

I have matured since then and continue to learn, striving to remain humble with a mindset of humility.

Defining a Basic Function

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def functionName() = { /* function body */ }

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def functionName(param1: ParamType) = { /* function body */ }

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def functionName(param1: ParamType): ResultType = { /* function body */ }

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def printHello() = { println("Hello, world!") }

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def echo(str: String) = { println(str) }

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def echo(str: String): Int = { 
    println(s"The length of '$str' is: ") 
    str.length 
}