Ashish Kulkarni wrote:
> Hi,
>
> If I have a class with a static synchronized method
> and a class with singleton pattern doing the same
> function, wont the 2 be same, what may be the
> performance issue, what should we use in programs,
> The method i want to use is synchronized, so that no 2
> classes can access it a time, and hence create some
> weird results.
Basically, you use singletons when you need to maintain some state and want
that initialized only once for the complete application. However...
>
> This is what my classes will look
> Class with static method
> public class MyString
> {
> public static synchronized String
> removeEscapeChar(String inputString)
> {
> // my logic here
> }
> }
No need for synchronized method since method itself is atomic. If your
method doesn't use any object outside itself, then you don't have to worry
about the concurrent access.
>
> Singleton pattern class
>
> public class MyString
> {
> private static MyString instance;
> public static MapsContextData getInstance()
> {
> return instance;
> }
> public String removeEscapeChar(String inputString)
> {
> // my logic here
> }
>
> }
>
Again, if you only have your method doing all the work without using any
other object beside the in-method initialized ones, no need for singletons,
instances etc.
>From your example it is not visible what removeEscapeChar() does, but it
looks like a utility class method. Take a look at apache commons-lang for
some examples.
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