Java EE
有关hashmap的key
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package StartDiaguo;
import java.io.Serializable;
//import java.util.*;
public class Appointment implements Serializable {
private String clientName;
private String startTime;
private String endTime;
private String date;
private Appointment next;
public Appointment(){
clientName = null;
date = null;
startTime = null;
endTime = null;
next = null;
}
public Appointment(String name,String d, String s, String e){
clientName = name;
date = d;
startTime = s;
endTime = e;
next = null;
}
public Appointment getNext(){
return next;
}
public void setNext(Appointment ap){
next = ap;
}
public String getName(){
return clientName;
}
public void setName(String name){
clientName = name;
}
public String getTime(){
return startTime +"-"+ endTime;
}
public void setTime(String s, String e){
startTime = s;
endTime = e;
}
public String getStartTime(){
return startTime;
}
public void setStartTime(String s){
startTime = s;
}
public void setEndTime(String e){
endTime = e;
}
public String getEndTime(){
return endTime;
}
public String getDate(){
return date;
}
public void setDate(String d){
date = d;
}
public void setAppointment(String n, String d, String s, String e) {
clientName = n;
startTime = s;
endTime = e;
date = d;
}
}
private Map<String, Appointment> appBook; 来存一个Appointment
Appointment 是一个linkedlist的形式
我用hashmap来存这个自定linkedlist类，当我想改Appointment.next 的内容后 怎么返回第一个app
还是有什么办法更改hashmap的key
...全文
