I tried solving this problem: https://leetcode.com/problems/palindrome-number/ using code: class Solution { public: bool isPalindrome(int x) { int r
I need to write a recursive method that takes an int as input and returns the longest sequence of identical numbers in it as an int (NOT as a string). counting
I believe that the answer to my question is very easy for those who have had experience with this, and I thank you in advance. Namely, I managed to export a PDF
New to OAuth2 and Spring framework. Have followed two introduction guides to it so far (for example this one) and the OAuth2User object (org.springframework.sec
auto.register.schemas=false doesn't work as I expect. If I read the documentation it's suppose to counter the producer to regsiter new schemas. https://docs.c
I have a Browser app, I need to set it as my default browser. I want to call such a system menu (as in the photo) only instead of Chrome - the name of my applic
I have array of objects person (int age; String name;). How can I sort this array alphabetically by name and then by age? Which algorithm would you use for th
I have array of objects person (int age; String name;). How can I sort this array alphabetically by name and then by age? Which algorithm would you use for th
Springboot and Axon: Basically I am unit testing an aggregate that uses three different ObjectMapper instances, each with a different configuration. These are d
How do I take the user's input for how many legs are on the trip and have it loop that amount of times? int counter = 0; int gas = 0
Can someone help me write the program in Java that prints the following triangle? I'm having trouble coming up with a solution. Example User input: Enter increm
I want to create a test case for a class Foo. That class Foo gets an instance of Bar injected; however, there are different implementations of Bar, and the deci
I'm trying to make a game using LWJGL 3, but I get this error: No context is current or a function that is not available in the current contex
I make a JFreeChart for displaying values from serial port. It is working well, but I want to make X-axis movable from right to left. It means when plotting the
I tried looking at cache mechanisms, such as Guava's Cache. Their expiration is only since last update. What I'm looking for is a data structure that stores ke
Example txt file ADD 'Cordless Screwdriver' 30 1 2 COST 'Multi Bit Ratcheting' FIND 'Thermostat' FIND 'Hand Truck' SELL 'Hammer' 1 QUANTITY 'Paint Can' FIRE 'Jo
I have a Java WebSocket server that uses Netty to establish WebSocket connections. This is basically a chat application where a few agents will be interacting w
Consider the following use case: I have List<Song> which holds an ArrayList. I want to translate the above on-the-fly to List<String> which may be a
I am a beginning programmer and came across this in my textbook: public boolean equals(DataElement otherElement) { IntElement temp = (IntElement) otherElem
I have a table that I post with a database connection. I am searching the table, but after searching, selecting the row and bringing the result to the textbox r