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doubt generics

 
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Hi , can any one explain this code , this is from generics from k& b book

public class Test
{
static void addandDisp(List list)
{
list.add(987654321);
list.add(12.345);
for(Object e:list)
{
System.out.print(e.getClass()+" ");
}
}
public static void main(String[] args)
{
List<String> ls = new ArrayList<String>();
ls.add("Java");
addandDisp(ls);
}
}

What will be the output?

a)Prints class java.lang.String class java.lang.long class java.lang.Double
b)Prints class java.lang.String class java.lang.Integer class java.lang.Double
c)Prints class java.lang.String class java.lang.Double class java.lang.Float
d)Compile time Error
e)Run time Error
 
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