I’m working through some leetcode problems and came across this one: I’m given a 2-D array, for example: Each cell in the array represents the number of moves I must make from that cell. I can move only up or only left each time I stop on a cell. I want to find the minimum number of moves necessary to
Does a mutable Java object equal itself? [closed]
Closed. This question needs details or clarity. It is not currently accepting answers. Want to improve this question? Add details and clarify the problem by editing this post. Closed 1 year ago. Improve this question I was thinking about mutable objects and how they’re weird (but very cool). Question: can a mutable object not equal itself? Only caveat here is
how this Ternary Operator work with this statemnt?
i just generate this methode to find max val in some matrix and somehowe i was able to change int val insdie Ternary Operator (java 8) (the method compile and working) im not realy sure evan how its compile from what i saw online Ternary Operator syntax : can someone explain me what im missing here ? Answer The reason
Microservices communication with optional parameters requests
I have a room service which returns detail for rooms when requesting http://localhost:8082/room/search/byRoomChar Now I want to request this @GetMapping from the booking service since this is the application gateway that users are going to interact with using the http://localhost:8081/booking/search/byRoomChar. Room entity code: Room repository code: However, this does not work because when omitting parameters when calling the getmapping from
itext 7 pdf how to prevent text overflow on right side of the page
I am using itextpdf 7 (7.2.0) to create a pdf file. However even though the TOC part is rendered very well, in the content part the text overflows. Here is my code that generates the pdf: Here are the screen shots of TOC part and content part : TOC : Content : What am I missing? Thank you all for
How do I check if my int array is empty, with the standard value being 0?
So I have come across an issue I do not seem to be able to fix. So lets say I have an int array and want to check whether the array still has space to add a certain element (from 0-∞) or has no space left, which would mean I would need to create a new array. The issue is
How to write constructor where the types are from another class in Java?
I’m doing a UML diagram for a Connect four game. It is a two-player connection board game, in which the players choose a color and then take turns dropping colored discs into a seven-column, six-row vertically suspended grid. I have a problem with the UML Diagram. The class game has 2 variables that came from another class(is this ok?). And
Is java array elements always stored in contiguous memory incase of reference types?
I’ve read that The elements of an array are stored in a contiguous memory location . Is it always the case ? I understand this is the case with array of primitives. I’m a bit confused about array of objects. An array of objects basically contains reference of the real objects right? references must be stored in contiguous locations but
Why does root path in my controller maps to index.html in spring boot web application?
I’m testing a controller for a Spring Boot application. I want to map a resource to a path, which should be a part of my API. My controller is pretty specific about path: Here ‘web-interface’ is a property, as specified in application.yml file Expected behavior: path: localhost:8080/admin maps to index.html resource root path: localhost:8080/ maps to nothing, i.e. 404 error.
android Spinner requires 2 clicks to work
am trying to use a spinner within a fragment to categorize the output of my recycler view when I call the recycler view function from the onCreateView it works perfectly. however, when I call it from the spinner function, it requires 2 clicks to display. here is the spinner XML code: and here is the fragment: and here is the