String temp = "ANY";

//When am trying
@JsonFormat(shape=JsonFormat.Shape.STRING, pattern="yyyy-MM-dd",
timezone="ANY") //it working

//When am trying
@JsonFormat(shape=JsonFormat.Shape.STRING, pattern="yyyy-MM-dd",
timezone=temp ) //it working

@JsonFormat(shape=JsonFormat.Shape.STRING, pattern="yyyy-MM-dd",
timezone=AppUtil.TIME_ZONE)//this one error because AppUtil.TIME_ZONE is a
String object