If you need to include space(s) in a command line parameter, the whole parameter must be enclosed by quotes as shown below:
andrew@UBUNTU:~/Java$ cat prog35.java
public class prog35
{
public static void main(String[] args)
{
System.out.println("Hello " + args[0]);
}
}
andrew@UBUNTU:~/Java$ javac prog35.java
andrew@UBUNTU:~/Java$ java prog35 "Andrew Reid"
Hello Andrew Reid
andrew@UBUNTU:~/Java$