content: package com.alibaba.json.bvt.issue_1400;
  
  import com.alibaba.fastjson.JSON;
  import com.alibaba.fastjson.JSONObject;
  import com.alibaba.fastjson.TypeReference;
  import junit.framework.TestCase;
  import org.junit.Assert;
  
  import java.util.HashMap;
  import java.util.LinkedHashMap;
  import java.util.Map;
  
  public class Issue1480 extends TestCase {
      public void test_for_issue() throws Exception {
  
          Map<Integer,Integer> map = new LinkedHashMap<Integer,Integer>();
          map.put(1,10);
          map.put(2,4);
          map.put(3,5);
          map.put(4,5);
          map.put(37306,98);
          map.put(36796,9);
  
          String json = JSON.toJSONString(map);
          System.out.println(json);
          Assert.assertEquals("{1:10,2:4,3:5,4:5,37306:98,36796:9}",json);
  
          Map<Integer,Integer> map1 = JSON.parseObject(json,new TypeReference<HashMap<Integer,Integer>>() {});
  
          Assert.assertEquals(map1.get(Integer.valueOf(1)),Integer.valueOf(10));
          Assert.assertEquals(map1.get(Integer.valueOf(2)),Integer.valueOf(4));
          Assert.assertEquals(map1.get(Integer.valueOf(3)),Integer.valueOf(5));
          Assert.assertEquals(map1.get(Integer.valueOf(4)),Integer.valueOf(5));
          Assert.assertEquals(map1.get(Integer.valueOf(37306)),Integer.valueOf(98));
          Assert.assertEquals(map1.get(Integer.valueOf(36796)),Integer.valueOf(9));
  
          JSONObject map2 = JSON.parseObject("{35504:1,1:10,2:4,3:5,4:5,37306:98,36796:9\n" + "}");
  
          Assert.assertEquals(map2.get(Integer.valueOf(1)),Integer.valueOf(10));
          Assert.assertEquals(map2.get(Integer.valueOf(2)),Integer.valueOf(4));
          Assert.assertEquals(map2.get(Integer.valueOf(3)),Integer.valueOf(5));
          Assert.assertEquals(map2.get(Integer.valueOf(4)),Integer.valueOf(5));
          Assert.assertEquals(map2.get(Integer.valueOf(37306)),Integer.valueOf(98));
          Assert.assertEquals(map2.get(Integer.valueOf(36796)),Integer.valueOf(9));
  
      }
  }
  