Java Singleton Pattern

singleton.java

public class Singleton {
    private static Singleton instance;
    private String name;
    private int age;

    private Singleton(String name, int age){
        this.name = name;
        this.age = age;
    }

    public static Singleton getInstance(String name, int age){
        if (instance == null) {
            instance = new Singleton(name, age);
        }

        return instance;
    }

    public String getName(){ return this.name; }

    public int getAge(){ return this.age; }
}