/Java/How to initialize class object as null in java

How to initialize class object as null in java

protected void doPost(HttpServletRequest request, HttpServletResponse response) 
  throws ServletException, IOException {
    // Note that unless except in certain cases (IoC)
    // this scenario is quite easy to avoid
    Object_DTO object_DTO = null;

    if(request.getParameter("parameter").equals("hello")) {
        object_DTO = new Object_DTO(); // here null object initialized to a new object
        object_DTO.setAttr("attr");
        ...
    } else if (request.getParameter("parameter").equals("goodbye")) {
        object_DTO = new Object_DTO();
    }

    if (object_DTO == null) {
        // Bad response
    }
}

Source: stackoverflow.com

Similar codes

4 votes178 views6 answers
Java 8 map foreach
Java
2 votes181 views1 answer
How to get list from json object in java
Java
0 vote188 views1 answer
Minecraft inventory share plugin
Java
8 votes188 views3 answers
Len of number in java
Java
0 vote215 views1 answer
Start activity for result deprecate
Java
0 vote252 views1 answer
Change button background drawable in code Close
Java
1 vote225 views1 answer
Android java seekbar
Java
0 vote186 views1 answer
Hdfs hadoop JobClient.java:876 error
Java
0 vote181 views1 answer
Draw arc parameters java
Java
0 vote211 views1 answer
Check character is alphanumeric java
Java