newInstance fragment instantiation #1

Singleton.java

public static class Singleton {

    private static final Singleton instance = null;
    
    /** 
     * Make the class private to prevent direct instantiation.
     * this forces clients to call newInstance(), which will
     * ensure the class' Singleton property.
     */
    private Singleton() { }
    
    public static Singleton newInstance() {
        /**
         * If instance is null, then instantiate the object 
         * by calling the default constructor (this is OK
         * since we are calling it from within the class).
         */
        if (instance == null) {
            instance = new Singleton();
        }
        return instance;
    }
}