cheap fashion jewelry wholesale in los angeles How do I write a Java code about currency exchange? Please finish writing and tell me, thank you ~~

wholesale jewelry market in india Enter a beautiful circle? Then output the equivalent RMB?

I assume that Yimeian exchanges 7.5 RMB ~

Public class A
{
public static void main (string [] arm)
{ n { n { n { n r n System.out.println ("Please enter, can only be numbers!");
string server = ();
system.out.println (long.parselong (server)*7.5)
}

Private static string ()
{
= new (
new (system.in));
string s = null ;
try
{
s = .readline ();
}
catch ()
. ();
}
Return s;
}
}