Currently, the below chart is being created using JFreeChart library. The code to generate the above image is as follows: However, even though, I set the plot as black color using: plot.getRenderer().setSeriesPaint(2,new Color(0, 0, 0) ); The graph always appears red. How do I change the color from red to bla…
Tag: java
How to design a method that has no `unchecked cast` warning in java
I have a class named Myclass, which is just a wrapper of a HashMap, I want to be able to store the possible key/value pair listed below: KEY_A -> MyClassA KEY_LIST_B -> List<MyClassB> KEY_C -> List<MyClassC> Here is my code : How can I design (signature of these methods) the get() and set…
Edit an xml file element using dom
Please tell me what I’m doing wrong. I work with javafx and by clicking on the button, when the listview element is selected, I pass an object of the Country class to the editing method, but the xml file is not being edited, what is the problem? I attached an xml file, a broken edit function and a worki…
I’m creating a spigot plugin, and the config file that appears on my test server doesn’t match the one in Intellij [closed]
Closed. This question is not reproducible or was caused by typos. It is not currently accepting answers. This question was caused by a typo or a problem that can no longer be reproduced. While similar questions may be on-topic here, this one was resolved in a way less likely to help future readers. Closed 6 m…
Incorrect displaying items in RecyclerView while scrolling
Could you please assist in following issue: I have incorrect displaying items in my messenger app. My layout for items: My layout for dialog activity: Class DialogActivity Adapter class In this place I check user name. If user name is my name then I set message and visible to holder.messageMyMessage. Else I s…
Default expanded variables in VSCode Java debugger
I’m using VSCode for Java development, and at some point in time, the debugging variables do not show the toString() results by default. I have to click on the eyeball icon that has “Click to expand” tooltip. In the example below, the Boolean before and after expanding. Stepping through the …
Sending an email at a specific time using spring boot [closed]
Closed. This question needs to be more focused. It is not currently accepting answers. Want to improve this question? Update the question so it focuses on one problem only by editing this post. Closed 6 months ago. Improve this question in the application I am developing I can specify an expiration date of a …
calling a Redis function(loaded Lua script) using Lettuce library
I am using Java, Spring-Boot, Redis 7.0.4, and lettuce 6.2.0.RELEASE. I wrote a Lua script as below: Then I registered it as a function in my Redis using the below command: Now I can easily call my function using Redis-cli as below: And it will get executed successfully!! Now I want to call my function using …
How to access “types” dynamically with java?
I don’t know what types.DocumentType is, but I’m doing an integration of an sdk and I created a cordova plugin. the import from the sdk is like this: Can I somehow pass RG_FRENTE dynamically as it is done in javascript? Something like: Answer This solution is only if DocumentType is enum class lik…
How to configure VSCode on Linux to make it apply different JAVA_HOME for Gradle in different projects?
Right now I have a Spring project (needs Java 17) and a minecraft-forge-1.12 project (needs Java 8) on the same system. I want vscode to automatically change JAVA_HOME between /usr/lib/jvm/java-17-openjdk-amd64 and /usr/lib/jvm/java-8-openjdk-amd64 for gradlew command when I switch between these two project. …