Main.java Source code

Introduction

Here is the source code for Main.java

Source

import java.util.EnumSet;

public class Main {

    static enum Choices {
        a1, a2, b1, b2
    }

    public static <E extends Enum<E>> boolean contains(Class<E> _enumClass, String value) {
        try {
            return EnumSet.allOf(_enumClass).contains(Enum.valueOf(_enumClass, value));
        } catch (Exception e) {
            return false;
        }
    }

    public static void main(String[] args) {
        for (String value : new String[] { "a1", "a3", null }) {
            System.out.println(contains(Choices.class, value));
        }
    }
}