If request parameter age is empty, not a number, or missing altogether, you cannot convert it to a number. You’ll have to decide what to do in such situation, then do it in the cases mentioned above, i.e.: Check the parameter for non-emptiness Surround the conversion with try { … } catch (NumberFormatException e) { … Read more
The solution was to add a p in the URL in the Retrofit answer before (id) (what they call URL manipulation, check out the Retrofit site to find out more about that) where the id long was given. Thanks for the help ideas though! solved NumberFormatException, Invalid long
how can i extract the content of an ISO-8601 with regex and convert the time into numeric in this case using java [closed] solved how can i extract the content of an ISO-8601 with regex and convert the time into numeric in this case using java [closed]
Perhaps you meant int x = Integer.parseInt(“12312a”, 16); 0 solved Number format exception in parse int
The reason you are getting this error is because the EditText is not created on the UI yet. But, you need the EditText on the screen, along with some valid data before you can call Integer.parseInt. You need to use some sort of interface, through which you would call Integer.parseInt. I suggest using a button. … Read more
In display method acdyear= sharedPreferencess1.getString(“acamadic”,”0″); 0 solved NumberFormatException: Invalid int: “”
You can do the following : if (time != null && !time.equals(“”)) { StringTokenizer st = new StringTokenizer(time, “:”); String timeHour = st.nextToken(); String timeMinute = st.nextToken(); timePickDialog = new TimePickerDialog(v.getContext(), new TimePickHandler(), Integer.parseInt(timeHour), Integer.parseInt(timeMinute.replace(” am”,””).replace(” pm”,””)), true); } to replace both ” am” and ” pm” with “”. 5 solved java.lang.NumberFormatException: Invalid int: “24 … Read more
Ok, I think converting string into Integer and then typecasting it to double is causing the error. Why don’t you just convert the string to double. Also you must trim the line while reading it to avoid any spaces. String holderStr = br.readLine().trim(); System.out.println(holderStr); totalBalNum = Double.parseDouble(holderStr); 2 solved NumberFormatException error from reading a file
Use String str = String.format(“%tM”, date ); You get the exception because you try to convert a String “Current Date/Time : xx” to a number; 1 solved How i convert String to int? [duplicate]