EN
Java - pick random string from array of strings
8 points
We need to generate random index of an array.
As nextInt function is called we pass int bound to have results within array size.
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import java.util.concurrent.ThreadLocalRandom;2
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public class JavaRandomStringFromArray {4
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public static String randomStringFromArr() {6
String[] arr = {"A", "B", "C", "D", "E", "F"};7
int randIdx = ThreadLocalRandom.current().nextInt(arr.length);8
String randomElem = arr[randIdx];9
return randomElem;10
}11
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public static void main(String[] args) {13
System.out.println(randomStringFromArr()); // F14
System.out.println(randomStringFromArr()); // B15
System.out.println(randomStringFromArr()); // A16
}17
}