singleton-java

public class Singleton {
    // holds instance of the singleton class
    private static Singleton Instance;
    public String text;
    
    // private constructor
    private Singleton (String text) {
        this.text = text;
    }
    
    public static Singleton getInstance(String text) {
        // checks if instance already created
        if (Instance == null) {
            // if not create an instance
            Instance = new Singleton( text);
        }
        // return the created instance on all subsequent calls
        return Instance;
    }
    
}