I’m not able to run Oracle SQL Developer on my mac(macOS Big Sur) It complains about the Java Version which is strange, because I have Java 11 installed, installed via HomeBrew, and idea what might be the issue? Answer SQL Developer on a Mac will look for a Java JDK Home a la – If the answer is an…
Tag: java
How can I work with micronaut 3 and google secret manager?
Currently migrating my application to Micronaut 3, I encountered one problem with micronaut-gcp. Especially with the google secret manager. I am using gradle with Kotlin DSL. Actual configuration: (not working, using plugin io.micronaut.library version 2.0.4) gradle 7.2 micronaut 3.0.1 Previous configuration:…
How to force control skin to be created so I can use getParent?
In the following minimal example when the parents of tabs and tabs2 are printing out, they are both null. From this question I’ve come to understand because while the two TabPanes have been added to the SplitPane, because the skin of the TabPanes hasn’t been created yet, getScene and getParent wil…
Fibonacci sequence – How to calculate the sum of the first 100 even-values Fibonacci numbers?
Fibonacci sequence is defined as a sequence of integers starting with 1 and 1, where each subsequent value is the sum of the preceding two I.e. My goal is to calculate the sum of the first 100 even-values Fibonacci numbers. So far I’ve found this code which works perfectly to calculate the sum of even n…
How to read .rpt files in Java and save it as pdf
I have a .rpt file. I want to read it programatically in java and save it in pdf file. I followed the solution multithread pdf conversion My source code provided below After running my code I am unable to read the .rpt file and my pdf file becomes empty. Please help me out. Answer Finally I get a solution usi…
How I can replay to WhatsApp notification from java code in android studio
Hello guys I’m using NotificationListenerService to get WhatsApp messages But now I have a problem that I don’t know how to replay to WhatsApp notifications So here is the code and how I’m getting WhatsApp notifications but my problem is in how actually to replay on them } Answer Did you try…
Why clear() on one ArrayList is clearing elements in another ArrayList?
My desired output should be: [[1], [1, 2], [1, 2, 3], [1, 2, 3, 4], [1, 2, 3, 4, 5]] By creating new ArrayList object every time I am getting the desired output as [[1], [1, 2], [1, 2, 3], [1, 2, 3, 4], [1, 2, 3, 4, 5]] But, not getting same result when trying to use clear() (to
@JsonIdentityInfo serialization of items
I’m trying to serialize relations using @JsonItentityInfo to avoid circular references. I’ve created a test to try test the result of the serialization, and I’ve found that jackson is not behaving as I expected. The serialization in not what I though it would be and, in fact, when I try to d…
JPackage Wrong Version (%JAVA_HOME% set to correct directory)
Please help. I’m having issues syncing up my JDK and jpackage versions for creating standalone java programs. The JDK version and the runtime version being included with jpackage are mismatched (JDK16 programs being paired with JDK15 runtimes). Typing java -version into the command line, it matches up w…
Mockito bug when testing Optional.map()? [closed]
Closed. This question needs debugging details. It is not currently accepting answers. Edit the question to include desired behavior, a specific problem or error, and the shortest code necessary to reproduce the problem. This will help others answer the question. Closed last year. Improve this question Here is…