class Student {
        static String schoolName;
}
public class Demo_9{
        public static void main(String[] args) {
                Student stu1=new Student();
                Student stu2=new Student();
                Student.schoolName="传智播客";
                System.out.println("我的学校是"+stu1.schoolName);
                System.out.println("我的学校是"+stu2.schoolName);
        }
}

哈哈,有这资源真好!