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ReadingBatcode reading practice

 

 

Warmup 1UpperLower

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public static String upperLower(String a) {
    String result = a.toUpperCase() + a.toLowerCase();
    return result;
}
Function Call  Return Value
upperLower("Hello")
upperLower("World")
upperLower("Hi!")
upperLower("")
upperLower(" ")
upperLower("Ok?")

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