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Students
{
private
String
xuehao
private
String
name
private
String
riqi
public
void
setxuehao(String
xuehao)
{
this.xuehao=xuehao
}
public
void
setname(String
name)
{
this.name=name
}
public
void
setriqi(DEtime
riqi)
{
this.riqi=riqi.getTime()
}
public
String
getname()
{
return
name
}
public
String
getriqi()
{
return
riqi
}
public
String
getxuehao()
{
return
xuehao
}
}
class
DEtime
{
int
year
int
month
int
day
public
String
getTime()
{
return
year+"-"+month+"-"+day
}
}
class
Test
{
Students
student=new
Students()
student.setxuehao("001")
student.setname("shine")
DEtime
time=new
DEtime()
time.year="2009"
time.month="01"
time.day="01"
Student.setriqi(time)
System.out.println("student学生的学号是"+student.getxuehao())
System.out.println("student学生的姓名是"+student.getname())
System.out.println("student学生的出生日期是"+student.getriqi())
}
因为
我忘记了
时间的表达方式
暂且用
String
来代替下把
不过
在日常生活中
我们都是用String
来做
更为简单！
1:package wo
-
public class StudentText{
public static void main(String[] args) {
Student s1=new Student(01,"张三")
Student s2=new Student(02,"李四")
boolean b=s1.equals(s2)
System.out.println(b)
}
}
class Student {
private int num
private String nema
public Student(int num, String nema) {
super()
this.num = num
this.nema = nema
}
public Student() {
}
public int getNum() {
return num
}
public void setNum(int num) {
this.num = num
}
public String getNema() {
return nema
}
public void setNema(String nema) {
this.nema = nema
}
public boolean equals(Object obj) {
if (this == obj)
return true
if (obj == null)
return false
if (getClass() != obj.getClass())
return false
if (num != this.num)
return false
return true
}
}
2
package wo
public class polyTest {
public static void main(String[] args) {
penson p=new penson("张三",25)
System.out.println(p)
loyee l=new loyee(01,3000)
System.out.println(l)
Manager m=new Manager("老师")
System.out.println(m)
}
}
class penson{
private String name
private int age
public penson() {
super()
}
public penson(String name,int age) {
super()
this.name=name
this.age=age
}
public String getName() {
return name
}
public void setName(String name) {
this.name = name
}
public int getAge() {
return age
}
public void setAge(int age) {
this.age = age
}
public String toString() {
return "penson [姓名：" + name + ",年龄：" + age + "]"
}
}
class loyee{
private int id
private double salary
public loyee() {
super()
}
public loyee(int id,double salary) {
super()
}
public int getID() {
return id
}
public void setID(int iD) {
id = iD
}
public double getSalary() {
return salary
}
public void setSalary(double salary) {
this.salary = salary
}
public String toString() {
return "loyee [工号" + id + ", 工资：" + salary + "]"
}
}
class Manager{
private String type
public Manager() {
super()
}
public Manager(String type) {
super()
this.type=type
}
public String getType() {
return type
}
public void setType(String type) {
this.type = type
}
public String toString() {
return "Manager [职务名称：" + type + "]"}
}
