I have food table having number of foods, each food can have specific properties in multiple languages (en, es) like name, description etc. But it is ...
I have food table having number of foods, each food can have specific properties in multiple languages (en, es) like name, description etc. But it is ...
I am learning design patterns and I stumbled upon a task that interested me, but I failed completing it. I have an interface Box, that has two extendi ...
In a given list of Integer, I want to skip one element at nth index. Input: Expected output after skipping 3rd element: I can see even when run ...
I have a list of students and a delegate that has a function to get a list of servers for a given student (getServersForStudent(student)). I would lik ...
I have a map that contains Integer as key and (List of Map of String as key and boolean as the value) as value. Map<Int, List<Map<String, Boo ...
Stream evaluation is usually lazy (by default), unless statefull operations exist as part of the pipeline. I encountered a case where the lazyness is ...
I have a requirement where in I need to call 2 apis for 100 users. First API is an oauth api to generate token which takes 2 seconds and the Second ca ...
I want to return different error messages minimum and maximum constraints on the values in a given list. I was hoping to use Java streams but i am hav ...
Stream.reduce has 3 method overloads. 1st overload can be used to calculate sum of integer list for example. 2nd overload is the same but if t ...
I have a nested map as Map<String, Map<String, Boolean>> and would like to find if the inner map has at least one value as TRUE. I was abl ...
I have a table with the below info Id Name EmpDate AwardsReceived 1 Tom 1/19/2023 ...
Basically, I am trying to read data over REST from cipherInputStream but it looks like it is not available until the other service which is writing to ...
I have a piece of code that has list of objects as follows. It is guaranteed that there will always be a maximum of 3 codes per value. I have a cl ...
I try to build a string out of all elements of a list that is an element of a map. I try to get "abc" inside of str. Instead I get an error of the ...
I have a method that takes a parameter of filters that is an ArrayList<>() of strings that I need to split on ":" and put in a map. And would ...
My code consists of a class with 10 variables. The class will get the data from a database table and the results from it is a List. Here is a sample c ...
When introducing parallel processing to an application where multiple save entity calls are being made, I see prior dev has chosen to do it via Spring ...
Problem statement In my architecture there are data objects which I intend to display in a structured fashion. These objects look like this: S ...
I have an expensive method that I only want to call it when necessary in a stream. Here is an example: The goal is to find the target MyObject from ...
I am trying to mock this HTTPResponse interface, where I am getting an error when I tried the below code, I am getting java.lang.NullPointerExce ...