I am trying to add Html button to SendMessage.setText, but this not work. Did i do it wrong somewhere? Answer Your question isn’t clear at all. But i think you can add: You can check Tabnine
Tag: java
How to get SignatureLines excel apache poi
Good morning, I created an excel with signature lines. I’m trying to obtain signature lines in a excel document with apache poi library. XSSFWorkbook w = new XSSFWorkbook(mp.getInputStream()); w.get……? Any suggestion? Thanks in advance, Pablo I see there is a class called XSSFSignatureLine b…
How to set order for dynamically added JavaFX components?
I have a button that generates another button each time it’s clicked. 1 of the problems is, that the generated button is placed in the wrong location. The buttons should start around the Top Left side of the window, but the location of the buttons is at the bottom left of the window. I can’t use t…
incompatible types boolean can not be converted to char [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 4 m…
Returning a value from one method to another to be used in the output
I can’t figure out how to return the value of finalCost to the main method and have it printed. Specifically, I can’t find how to use the returned value in the “println” line. Answer You call calcMonthlyCharge(downloadLimit),but don’t store the returnvalue. When you call System.o…
What exactly happens in the JVM when invoking an object’s instance method?
I think I have finally found out how to word, what is giving me so much trouble in understanding: how the virtual machine can access a classes methods and use it only on a given instance (object) with the catch that the virtual machine is only being given the reference/pointer variable. This was compounded by…
Generic type-casting method returning an Optional object
I have a method: That allows me to invoke it like so: And this is great. Except, now, I want load(…) to return an Optional<???> so that the interaction would look something like: What changes I need to make to load(…) method to make it capable of returning an Optional of <T>? Answer Yo…
Decrease the number of calls
I have arraylist of filenames (java) and I want to delete these files using rm but it is time consuming can I do batching using xargs or something else which can help to delete files faster. Answer Don’t use rm. Use Java. As others have pointed out, spawning a process is much slower than doing it in your prog…
why does tomcat show 404 response message for an existing resource?
I’m new to implementing web services and I’m doing it with jax-rs API using eclipse IDE for java-ee developers 2022. I have written a simple web service that returns a response object including a java object, which has been converted into XML using JAXB, when I run it on tomcat10 a 404 message get…
Dynamic return type based on input argument type
I’m trying to write a small function that takes two lists and sorts one based on the elements of the other. So something like: would result in a sorted list [E, C, A, D, B]. However, valuesToSort might be a list of something different, like integers, floats or other lists. Ideally, I would want my progr…