package 单例模式;
import java.awt.List;
import java.util.ArrayList;
import
java.util.Arrays;
public class Country implements
Comparable<Country>
{
int
jin;
int yin;
int
tong;
String name;
public int compareTo(Country o)
{
// TODO Auto-generated method
stub
if(this.jin<o.jin)
{
return
1;
}
else if(this.jin>o.jin
)
{
return
-1;
}
else
{
if(this.yin<o.yin)
{
return
1;
}
else
if(this.yin>o.yin)
{
return
-1;
}
else
{
if(this.tong<o.tong)
{
return
1;
}
else
if(this.tong>o.tong)
{
return
-1;
}
else
{
return this.name.compareTo(o.name
);
}
}
}
}
public Country(int jin, int yin, int tong, String name)
{
super();
this.jin =
jin;
this.yin =
yin;
this.tong =
tong;
this.name =
name;
}
public static void main(String[] args)
{
ArrayList<Country>
array=new
ArrayList<Country>();
Country c[]=new
Country[4];
c[0]=new
Country(32,23,10,"China");
c[1]=new
Country(32,23,10,"Coo");
c[2]=new
Country(20,13,23,"Jpan");
c[3]=new
Country(20,12,34,"lisi");
Arrays.sort(c);
for(int
i=0;i<4;i++)
{
System.out.println(c[i].name
+"--"+c[i].jin+"--"+c[i].tong+"--"+c[i].tong);
}
}
}
原文：http://www.cnblogs.com/hansongjiang/p/3784776.html