2class

System.out.println(s1.getLength()\ts2.getLenght());

C.5

6:(多态)仔细阅读以下代码编译是否通过如果通过写出输出结果如果不能通过则如何修改

Sub

eat(){System.out.println(人的吃饭方法);}public

void

sleep(){System.out.println(人的睡觉方法);}public

void

work(){System.out.println(人的工作方法);}

}package

work(){System.out.println(学生的学习方法);}

}package

kaihui(){System.out.println(学生的开会方法);}

}package

Student(张yi,男,18,中国,一中,123),new

Student(张er,男,18,中国,一中,123),new

Student(张si,男,18,中国,一中,123),new

Student(张wu,男,18,中国,一中,123),new

Student(张liu,男,18,中国,一中,123)};for(int

i0;i

person[i];System.out.println(students.getName()students.getSex()students.getAge()students.getNationality()students.getSchool()students.getSchoolNum());}Student

[]student{new

StudentLead(张yi,男,18,中国,一中,123,团长),new

StudentLead(张二,男,18,中国,一中,123,团长),new

StudentLead(张三,男,18,中国,一中,123,团长),new

StudentLead(张四,男,18,中国,一中,123,团长),new

StudentLead(张五,男,18,中国,一中,123,团长),new

StudentLead(张六,男,18,中国,一中,123,团长)};for(int

i0;istudent.length;i){StudentLead

studentLead(StudentLead)student[i];System.out.println(studentLead.getName()studentLead.getSex()studentLead.getAge()studentLead.getNationality()studentLead.getSchool()studentLead.getSchoolNum()studentLead.getZhiwu());}}

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