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Divya Gupta 11Divya Gupta 11 

Create an Apex class that returns an array (or list) of strings.-Error

public class StringArrayTest {
    public static List<String> generateStringArray(Integer n){
        String[] test = new List<String>();
         for(Integer i=0;i<n;i++){

Getting an error "Challenge not yet complete... here's what's wrong: 
Executing the 'generateStringArray' method failed. Either the method does not exist, is not static, or does not return the proper number of strings."
        return test;
Siddharth ManiSiddharth Mani
I guess there has to be a space after Test and the number getting printed after it. try changing your add statement as below:
            test.add('Test '+i);
Divya Gupta 11Divya Gupta 11
Yes, Space was the problem. Thank you, it's solved now.