java(包语句)
package tom.jiafei;
class Tom{
void speak(){
System.out.println("Tom类在tom.jiafei包中");
}
}
public class Example4_12{
public static void main(String args[]){
Tom cat=new Tom();
cat.speak();
System.out.println("Example4_12类也在tom.jiafei包中");
}
}