Calling the static method multiple times will return the same instance not multiple instances, that is the essence of singleton design pattern.
Example: http://www.docjar.com/html/api/java/lang/Runtime.java.html On Mon, Sep 5, 2011 at 10:45 PM, ravindra patel <[email protected]>wrote: > it usually works like this - > > public class Test1 > { > private static Test1 obj; // Static member hence singleton > > private Test1() // To prevent the Compiler from creating default > constructor > { > // Do whatever initialization required > } > > public static Test1 getInstance() > { > if (obj == null) > { > obj = new Test1(); // can call private constructor from > within the class > return obj; > } > // Will come here only if obj != null > return obj; > } > } > > You can call Test1.getInstance to get the singleton object. > > HTH, > - Ravindra > > > On Mon, Sep 5, 2011 at 10:15 PM, Neha Singh <[email protected]>wrote: > >> Guys hv a doubt, plz clarify .. >> You mentioned that if a class has a private constructor then the object of >> that class can be created using call to a static method which internally >> calls the constructor and returns its reference. I can't understand why only >> 1 object can be created as mentioned by you. As in, we can call the static >> method multiple times and create multiple objects.. >> >> -- >> You received this message because you are subscribed to the Google Groups >> "Algorithm Geeks" group. >> To post to this group, send email to [email protected]. >> To unsubscribe from this group, send email to >> [email protected]. >> For more options, visit this group at >> http://groups.google.com/group/algogeeks?hl=en. >> > > -- > You received this message because you are subscribed to the Google Groups > "Algorithm Geeks" group. > To post to this group, send email to [email protected]. > To unsubscribe from this group, send email to > [email protected]. > For more options, visit this group at > http://groups.google.com/group/algogeeks?hl=en. > -- You received this message because you are subscribed to the Google Groups "Algorithm Geeks" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/algogeeks?hl=en.
