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package collection;

import java.util.Comparator;

import java.util.Map;

import java.util.TreeMap;

public class TreeMapTest {

public static void main(String[] args) {

Map map=new TreeMap(new MyComparator());

Score a=new Score(80,60);

Score b=new Score(100,100);

Score c=new Score(90,80);

Score d=new Score(60,60);

Score e=new Score(80,80);

map.put(a, "vonzhou");

map.put(b, "hello");

map.put(c, "vb");

map.put(d, "vc");

map.put(e, "c sharp");

System.out.println(map);

}

}

class Score {

private int kaoshi;

private int pingshi;

public Score(int i, int j) {

this.kaoshi=i;

this.pingshi=j;

}

public int getKaoshi() {

return kaoshi;

}

public int getPingshi() {

return pingshi;

}

@Override

public String toString() {

return this.kaoshi+"+"+this.pingshi;

}

}

class MyComparator implements Comparator{

@Override

public int compare(Object o1, Object o2) {

Score s1=(Score)o1;

Score s2=(Score)o2;

int sum1=(int) (0.3*s1.getKaoshi()+0.7*s1.getPingshi());

int sum2=(int) (0.3*s2.getKaoshi()+0.7*s2.getPingshi());

if(sum1>sum2){return 1;}

if(sum1==sum2){return 0;}

return -1;

}

}