Is this static println function in out class from System namespace?
namespace System {
class out {
static println ...
Check following link:
http://download.oracle.com/javase/1.5.0/docs/api/java/lang/System.html
You will clearly see that:
System is a class in the java.lang package.
out is a static member of the System class, and is an instance of java.io.PrintStream.
println is a method of java.io.PrintStream. This method is overloaded to print message to output destination, which is typically a console or file.