在考生文件夹中存有文件名为Java_2.java文件,该程序是不完整的,请在注释行“//*********Found********“下一行语句的下划线地方填入正确内容,然后删除下划线,请勿删除注释行或改动其他已有语句内容。存盘时,文件必须存放在考生文件夹下,不得改变原有文件的文件名。 本题的要求是: 程序显示出对于 Person 的两个子类 Worker 和 Student 描述信息。 程序输出结果如下: import java.text.*; public class Java_2 { public static void main(String[] args) { Person[] people = new Person[2]; people[0] = new Worker("", 30000); people[1] = new Student("小", "计算机科学"); for (int i = 0; i < people.length; i++) { Person p = people[i]; //*********Found********** System.out.println(____________________() + ", " + p.getDescription()); } } } //*********Found********** ________________ class Person { public Person(String n) { name = n; } //*********Found********** public ___________________ String getDescription(); public String getName() { return name; } private String name; } //*********Found********** class Worker _________________ Person { public Worker(String n, double s) { super(n); salary = s; } public String getDescription() { NumberFormat formatter = NumberFormat.getCurrencyInstance(); return "工人,年薪是 " + formatter.format(salary) + "。"; } private double salary; } //*********Found********** class Student _________________ Person { public Student(String n, String m) { super(n); major = m; } public String getDescription() { return "学生,专业是 " + major + "。"; } private String major; }