对于以下源代码,请问:在不修改任何代码的情况下, (1)在jdk中应该怎样命名? (2)编译命令怎么写? (3)运行命令怎么写? public class A { void f() { System.out.println("I love Java as much as I love coffee."); } } class Hello { public static void main(String args[]) { System.out.println("Hello, it is very glad to learn Java."); A a=new A(); a.f(); } }