複製代碼代碼如下:
包紫外線;
公共類Bean實施可比<bean> {
字符串sessionid;
整數num = 1;
public String getsessionId(){
返回sessionid;
}
public void setSessionId(string sessionid){
this.sessionid = sessionId;
}
公共整數getnum(){
返回num;
}
public void setnum(integer num){
this.num = num;
}
public bean(string sessionid){
this.sessionid = sessionId;
}
公共空白增加(){
++ num;
}
@Override
public int compareTo(bean o){
返回this.sessionid.compareto(o.getSessionId());
}
@Override
公共字符串tostring(){
返回sessionid;
}
公共靜態void main(string [] args){
system.out.println(“ b” .compareto(“ b”));;
}
}