关于java容器的作为数据内存的情况

package test.com.erayt.eds.risk.service;


import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;


import com.erayt.eds.domain.risk.RiskLimitField;


public class Mapdata {
private Map <String,String> dataMap = new ConcurrentHashMap<String,String>();
/**
* @param args
*/
 
public String getValue(String key){
return dataMap.get(key);
}
public Map<String, String> getDataMap() {
return dataMap;
}
public void setDataMap(Map<String, String> dataMap) {
this.dataMap = dataMap;
}
    public void putMapData(){
    dataMap.put("111", "AAAA");
    }

}

 期待研究

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