public static String getMethodDesc(String methodName, String paramDesc) {
        if (paramDesc == null) {
            return String.format(METHOD_DESC_VOID, methodName);
        } else {
            return String.format(METHOD_DESC_PARAM, methodName, paramDesc);
        }
    }
public static String getMethodDesc(String methodName, String paramDesc) {
        if (paramDesc == null) {
            return String.format(METHOD_DESC_VOID, methodName);
        } else {
            return String.format(METHOD_DESC_PARAM, methodName, paramDesc);
        }
    }
public static String getMethodDesc ( String methodName , String paramDesc ) { if ( paramDesc == null ) { return String . format ( METHOD_DESC_VOID , methodName ) ; } else { return String . format ( METHOD_DESC_PARAM , methodName , paramDesc ) ; } }
获取方法的标示 : method_name + "(" + paramDesc + ")"

@param
@return
获取方法的标示 : method_name + ( + paramDesc + )