Below Json I want to get only first mail value (abc@test.com) using java. Please anybody can suggest how do I extract exact value from below Json. Thanks in advance. Answer as they have already said json standard doesn’t impose ordering, so be careful
Tag: arrays
Find index in array based on given value
I have a sorted array of numbers with array length as n. For a given item k find index i in the sorted array where elements from index i to n are greater than the given item k. If there is no index present then return -1 This is my program: The time complexity of this approach is O(n), and
Java JSONArray appending elements again after JSP page reload
Folks, I think I am doing something wrong here. My purpose is to get info from DB into a JSON array that will later be used inside a JS calendar to show some events on a daily basis. The problem I am facing is: When I first log in to the app and see the calendar, all is good, I
Java exception handling: JSONObject cannot convert JSONArray
After executeQuery, I’ve got some set of results in XML format. While checking xmlJSONObj.getJSONObject(“Root”).has(“AmountDtl”), I get an exception “JSONObject[“Root”] is not a JSONObject”. How to handle this exception? Answer In your case. You have If you convert it to JSONObject you get something like this. based on what you are saying you are getting an exception here: if (xmlJSONObj.getJSONObject(“Root”).has(“AmountDtl”)) getJSONObject
How to catch an out of bounds exception in Java and continue?
I am writing a program that converts a prefix expression to a postfix expression. For an expression like ” x-x-ABC+BA ” the program should throw an out of bounds exception, and the program should continue onto the next line (from the input document), I have managed to make it work for one expression like “x-x-ABC+BA”, but where there are two
How can I dynamically find the end of an object array inside of a JSON response using GSON?
I am working with a given JSON response. The API I’m using provides responses like such: As you can see, the response provided contains what I interpret to be 1 object array (size changes depending on what is being queried) and 2 objects. (data is the array, meta and links are the objects) I have ran into a situation where
How to return arraylist vertically
I am trying to return an array list vertically but I’m having some issues trying to implement it. Below is my code, and the return results; Output is what I’m trying to get to be vertically } My current output is [2, 4, -1] I’d like it to be Any help would be appreciated. Thank you in advance Answer Hi
Why is this image method returning a black image?
I am running the code below. What it is supposed to do is equalize an image passed into it. All the methods and variables run fine except for newPixelVal which is always zero. This then makes my image all black. I cannot figure out why this is returning 0. Answer Got it! The division carried out at newPixelVal is between
Trying to sort by the number of vowels, the program does not sort at all
My intention was to count he number of vowels in each string in each index, add that number to an array, and then sort both the arrays using bubble sort. (this is for a class, and we are not allowed to use arrays.sort or any of the arrays.methods.) It is not sorting whatsoever and I’m unsure as to why. Answer
how to compare the two names in array list
I am trying to compare the two names in the baby array list if it is true it will return “Two babies in the array are the same” if false will return “No same baby in the array”. But I just can’t get it to work for the findTwoSameBabies method, it is supposed to compare all the names in the