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  1. /* package whatever; // don't place package name! */
  2.  
  3. import java.util.*;
  4. import java.lang.*;
  5. import java.io.*;
  6.  
  7.  
  8. class Program
  9. {
  10. 	public static void main (String[] args) throws java.lang.Exception
  11. 	{
  12. 		Student stu=new Student("abc", "m", "19", "2017年", 28);
  13. 		Teacher tea=new Teacher("cjc","abc");
  14. 		System.out.println(stu);
  15. 		System.out.println(tea);
  16. 	}
  17. }
  18.  
  19. class Person
  20. {
  21. 	public String name;
  22. 	public String sex;
  23. 	public String age;
  24. 	public String toString()
  25. 	{
  26. 		return "name=" + name + ",sex=" + sex + ",age=" + age;
  27. 	}
  28. 	public Person(String name, String sex, String age)
  29. 	{
  30. 		this.name = name; this.sex = sex; this.age = age;
  31. 	}
  32. }
  33. class Student extends Person
  34. {
  35. 	public String time;
  36. 	public int num;
  37. 	public Student(String name, String sex, String age, String time, int num)
  38. 	{
  39. 		super(name, sex, age);
  40. 		this.time = time; this.num = num;
  41. 	}
  42. 	public String toString()
  43. 	{
  44. 		return "名字=" + name + "，性别=" + sex + "，年龄=" + age + "，学号=" + num + "， 时间=" + time;
  45. 	}
  46. }
  47. class Teacher extends Person
  48. {
  49. 	public String title;
  50. 	public String section;
  51. 	public Teacher(String str,String num)
  52. 	{
  53. 		super("","","");
  54. 		title = str;
  55. 		section = num;
  56. 	}
  57. 	public String toString() { return "The title " +title+".The section is " +section+"."; }
  58. }
Success #stdin #stdout 0.05s 4386816KB
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名字=abc，性别=m，年龄=19，学号=28， 时间=2017年
The title cjc.The section is abc.
https://ideone.com/lMT0Uy
language:
Java (HotSpot 12)
created:
7 years ago
visibility:
public

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