I am trying to write a program that saves a string into an array and then gives the number of occurences for each of the characters in that string. This is my code so far: and this is the output I am currently getting: z > 43 I am using .toCharArray() because that was the tip given in the instructions
Tag: arrays
method in class cannot be applied to give types when using generic methods
I have this code that is meant to count all duplicates in any given generic type list If I were to uncomment the header that takes int[] instead of T[], then it works perfectly fine. However, once I try to use a generic type I get the error: Why is this? Shouldn’t int[] be considered as T[]? I suspect t…
Deserialize json string with nested array of objects with dynamic key
Given the JSON string I need to convert it to my POJO named TransactionInfo JSON String POJO Additional Note (From comment) After the deserialization, I want to access different keys in the transactionProperties map. If it’s converted into a List<Map<String,String>> then it becomes complex. …
How do I extract exact value from Json
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
How to store the data in the list without overwritten the data?
I am working on the json array loops to output the data so I can store them in the EmailAddressData list. I have got a problem with this line under the loops: It will overwritten the data each time I fetch it and store it. I dont know what other ways I could use to store the data. It will
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 yo…
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 expressi…
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 in…