mapTest

import java.util.*;

public class mapTest {



public static void main(String[] args) throws Exception{
List<Map<String,Object>> list = new ArrayList(){
{
add (new HashMap(){{put("a","1");put("","0");}});
add (new HashMap(){{put("a","11");put("b","2");}});
add (new HashMap(){{put("a","111");put("c","3");}});
add (new HashMap(){{put("b","22");}});
add (new HashMap(){{put("a","1111");put("b","222");}});
}
};

sort(list);
}

private static void sort(List<Map<String,Object>> l) {
int temp = 0;
List<Map<String,Object>> l1= new ArrayList<>();


for (int k = 0; k < l.size(); k++) {
String s = (String) l.get(k).get("a");
if (s != null) {

l1.add(l.get(k));
//int a = Integer.parseInt(s);

}
}
int[] arr = new int[l1.size()];
for(int m=0;m<l1.size();m++){
String s = (String) l1.get(m).get("a");
arr[m] = Integer.parseInt(s);
}

for (int i = 0; i < arr.length; i++) {

for (int j = i + 1; j < arr.length; j++) {

if (arr[i] > arr[j]) {

temp = arr[i];

arr[i] = arr[j];

arr[j] = temp;
}
}
}

for (int i = 0; i < l1.size(); i++) {
System.out.println(arr[i]+"="+l1.get(i));
//System.out.println(l1.get(i));
}


}
}

 

posted @ 2017-04-18 19:59  KylinStayHere  阅读(403)  评论(0编辑  收藏  举报