我从一本书上抄了这样一个程序?
编译不通过,含义不明确,new p.C()什么意思?
import java.lang.*;
class Lang_Package_Study{
public static void main(String args[]){
new p.C();
Package []pkgs=Package.getPackages(); 
for(int i=0;i<pkgs.length;i++){
System.out.println(pkgs.getSpecifitationVentor());
System.out.println(pkgs.getSpecifitationVersion());
System.out.println(pkgs.getSpecifitationTitle());
System.out.println(pkgs.getImplementationTitle());
System.out.println(pkgs.getImplementationVentor());
System.out.println(pkgs.getImplementationVersion());
if(pkgs.isSealed())
System.out.println("True");
}
}
}