‘ At a recent discussion within our team I had written the following code which was later flagged as having the cyclic dependency although to my knowledge and experience it is not. I need some fresh eyes to take a look at it so that I can learn more. disclaimer: The production code was converted into th…
Tag: java
How to sort numbers in an array into different arrays based off of their last two digits
Trying to write a program that takes a set of doubles and then sorts these values into different arrays based on their tenths and hundredths places after the decimal. So for an array [1.25, 2.25, 3.5, 10.5, 7.75, 4.75] sort the .25’s .5’s .75’s into separate arrays so that calculations may b…
How do I return to the beginning of a while loop?
I’ve only been taking coding classes for a month, so I’m really sorry if I’m using some wrong/wacky constructions. I’m trying to make an addition game using two random numbers; r1 determines the number of terms in the addition problem, while r2 assigns a value to each of them. The scan…
How to mock factory method in service test with mockito
Hi I am trying to test service layer. I have already wrote tests for ConverterFactory. I think I need the mock dependency classes which ConverterServiceImpl using but Still I got NullPointerException This is my service class And this is the test This code throws error says. What am i doing wrong here?: Answer…
Null Check in Jolt while converting string to integer For an Object
I am doing conversion of string to integer/double in my jolt spec. If elements does not come in request, then empty object is coming in response. Instead I do not want to pass that object itself as its empty. Input Request Working: Jolt Spec: Output if tag is there in request: But when input request is like b…
Why RecordComponent doesn’t have annotation info that is defined in the Records class in Java 17?
I play with records and found something that doesn’t look logical to me: Record: Code: However, if I do: Is that expected? Because RecordComponent implements AnnotatedElement, so I thought RecordComponent should have info about annotations. Are my expectations wrong? Answer This depends on the specified…
How to open URL from ListView inside fragment?
Wanna make to open website when I click it from ListView. I made it with some youtube videos. Mixed up those youtube videos and of course, It’s not working. What should fix or add more code? I put my every codes to understand it. Need you guys help a lot. Two upper codes are for layout. And last 3 codes
How do I create a forward link to a specific page which does not yet exists when I generate the link
How do I generate some text, which links forward to an other page in the pdf file I am generating? I have the code below which generate working pdf links, bit it require that the page I link to, exists in the pdf file at the time I generate the link. Is there any way to avoid this problem? My
Accessing GRIB data using GRIB2Tools causes IndexOutOfBoundException
I’m manipulating GRIB2 forecast files and I’m having trouble using the GRIB2Tools library. I have an Array[Byte] representing the content of a GRIB2 dataset. Because I want to be able to get value at specific location, I wrote this variable’s content to a file which I’m then loading as…
java.lang.NumberFormatException: For input string: “id” while trying to retrive related table column to jsp selectbox
This question kind of related to a previous one at Could not create query for public abstract org.springframework.data.domain.Page com.example.repository.DocumentsRepository.findBytypeid Thank to all it was resolved. But now I have an other problem I am trying to make a selectbox with all rows from related co…