I am trying to find out a way to avoid the kind of repetition below It happens in several places in my code, and I want to make it less repetitive, but I am not finding a way to do so. I thought about lambdas, but I don`t know much about it nor if it would fit in here. Inside
How do you have a class change the value of an attribute of another class?
Let’s say I have a class named Door with an attribute that states whether it’s open or closed. Then, there is another class named Person, that is assigned to that door. How would you tell the person to open/close the door by changing the value of the attribute in the Door class with a method in the Person class? Answer
MapStruct adding 1 suffix to object
I am using mapstruct to map my DTO to entity, My Entity My DTO Generated MapStruct Implementation I tried editing the file but it is unable to create break and always gives break1 Answer Break is a reserved keyboard, use different name or it would always add 1 suffix for successful compilation.
Eclipse API Read all submodules/child modules
I am trying to read all submodules of project. Below is the code which I wrote it is working as expected but I am not sure if this is an efficient way of reading all submodules of project. Please advice. Answer children[i].FOLDER == IResource.FOLDER doesn’t do anything – FOLDER is a constant so it is always true. You should never
Will TreeMap (BST) be able to solve this question in reasonable time?
You are given a list of up to 10^7 chess players and their ratings r in a competition. However, this competition uses a unique form of rating calculations. The task is to determine the rank of a player after a certain point in the competition. During the competition, the following can occur: A player joins the competition late. They are
Execution stuck: Hibernate + Oracle DB with Wallet : DriverManagerConnectionProviderImpl – HHH000115: Hibernate connection pool size: 20 (min=1)
When working with Hibernate and Oracle DB with Wallet. Getting below error: org.hibernate.engine.jdbc.connections.internal.DriverManagerConnectionProviderImpl HHH000115: Hibernate connection pool size: 20 (min=1) I am trying currently with Java/JDK: 17 Hibernate: ‘org.hibernate:hibernate-core:5.4.27.Final’ Oracle Autonomous DB: 19c connection via wallet. I tried with different version of JDK(8 and 11) and Hibernate(5.3.xx, 6.4.xx, 5.2.xx). Same error everytime. Answer The issue in my case was because
Annotated setters that return class insance
For some time now I have been bothered by the lack of fluent interface setters. I am aware of Lomboks system however the generated functions still return a void. Would it be possible/and how to make a setter to return its class instance? Thanks Answer Answer solved with Accessors. Over any class which you’d like to have chained.
How can I count the amount of extra numbers are given over a base value?
There is a base price and its only applicable when hrs = 50 and ppl = 30. I need to make it so that for each extra hrs or ppl it will charge an additional rate on top of the base rate. I am not sure how to make a piece of code that counts the extra hrs and ppl.
Can not get the right color when hovering over image node in javafx
When I hover over the Image I am getting the wrong color value in some pixels of the image, which seems to be a kind of pixel shift. I am using a MouseMoved event on the ImageView to get the x and y coordinates of the cursor on the image, then I create a Color instance using the color from
Сan’t set custom sound and vibration for notifications on Android Oreo+
I can’t set custom notification sound and vibration pattern for android oreo and above. For earlier versions of android everything works as it should. I wrote my code based on these answers: Custom notification sound , android Oreo?, Custom Notification Sound not working in Android Oreo and others. But none of this had the desired result. The notification comes, but