Map Cache

package com.zph.util;

import java.util.HashMap;
import java.util.Map;

/**
 * @author shaevel
 *
 */
public class MapUtil {

 public static Map<String, Object> Map_Info = new HashMap<String,Object>();
 
 public static void addObject(String id, Object o){
  Map_Info.put(id, o);
  System.out.println("============== size: " + Map_Info.size() + " ================");
 }
 
 public static void moveObject(String id){
  if(Map_Info.get(id) != null){
   Map_Info.remove(id);
  }
 }
 
 public static Object getObject(String id){
  if(Map_Info.get(id) != null){
   return Map_Info.get(id);
  }else{
   return "";
  }
 }
}