EagerStaticSingleton.java

public class EagerStaticSingleton {
    private static EagerStaticSingleton instance = null;

    private EagerStaticSingleton() { }

    static {
        try {
            instance = new EagerStaticSingleton();
        } catch (Exception e) {
            // Do something
        }
    }

    public static EagerStaticSingleton getInstance() {
        return instance;
    }
}