As the question says, I've got multiple finals strings in a final class like this:
public final class MyStrings {
public static final String stringOne = "this is string one";
public static final String stringTwo = "this is string two";
public static final String stringThree = "this is string three";
public static final String stringFour = "this is string four";
public static final String stringFive = "this is string five";
}
I know it could be easier to put them in a list or an array, but I would like to avoid runtime filling of those structures. Is it possible? What is the simplest way to choose randomly a string from that class? Thank you.
Your Strings seem very related, since you have a use case that needs to randomly choose one among them. Therefore, they should probably be gathered in an array anyway (on a semantic point of view).
There won't be more "runtime filling" than with your current multiple fields:
public final class MyStrings {
public static final String[] strings = {
"this is string one",
"this is string two",
"this is string three",
"this is string four",
"this is string five"
};
}
Then you can pick one String randomly this way:
Random random = new Random();
String randomString = strings[random.nextInt(strings.length)]);
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