1.Person.java ~~~ package obj.a1; public class Person { String name; String sex; int age; public void eat(){ System.out.println("正在吃饭"); } } ~~~ 2.Test.java ~~~ package obj.a1; public class Test { public static void main(String[] args){ Person p =new Person(); p.name="小明"; System.out.print(p.name); p.eat(); } } ~~~ 3.结果