I am working on a problem where I’ve to print the largest sum among all the hourglasses in the array. You can find the details about the problem here- What I tried: Input: Output: Expected Output: Screenshot: I don’t know where I’m doing wrong. I cannot understand why the expected output is …
Tag: java
NullPointerException on validating email
I am writing a unit test to check the email validation logic. The logic is throwing null pointer exception when you run the test. But it works fine with emulator. Can someone help me solving this? Below is my unit test. The error I am getting is, Answer android.util.Patterns.EMAIL_ADDRESS.matcher(email).match…
How to get WebElement text with selenium
Please see the following element: Find my element: So after found this div and get the text using selenium with getText or getAttribute(“innerHTML”) the return: So my question is how to get only the last line without this x Answer The text you want is present in a text node and cannot be retrieved…
Ignoring blank lines in CSV file in Java
I am trying to iterate through a CSV file in Java. It iterates through the entire file, but will get to the end of the file and try to read the next blank line and throw an error. My code is below. Like I typed, this works fine until it gets to the end of the file. When it gets
How to exclude all files under a directory in Gradle?
For example, this one will exclude 1 file. But how to exclude all file under a directory? like: org/apache/commons/codec/language/bm/ folder? . does not work 🙂 Answer wild card can be used to enforce action to multiple file in directory. See this:- You can also exclude a file/directory with out specifying the…
JavaFX Get ComboBox from ChoiceDialog
I have a javafx.scene.control.ChoiceDialog object in my JavaFX project. When the dialog opens, I want to set the focus to the underlying ComboBox. However, I can’t figure out how to get the underlying ComboBox control. With a TextInputDialog, there is a method called getEditor(). Is there any way (other…
Mockito: mocking objects and adding to ArrayList
I am testing an enterprise level application using Mockito and JUnit. Here is the code for a method of adding a product to the offline repository class in a product offline-repository-class-test I have: This relies on the following methods in classes: The method it is testing in the ProductRepositoryOffline: …
java.lang.IllegalArgumentException: Result Maps collection already contains value for
Hey I’m using Mybatis with Spring Annotations. and getting this error: here is the domain class (sans getters and setters): here is my Mapper.Java class lastly here is the Mapper.xml I’m inclined to believe there is something wrong with the xml select statement. Probably with how I am using foreac…
How to use decorated method in Mapstruct collection mapper?
I am using MapStruct to map from a JPA entity to a POJO DTO, in a Spring app with dependency injection. I have added some additional processing of the DTO to a method in a decorator as specified in the doc. It works fine for mapping a single entity. But I also have a mapping for a collection (set) of
Are static variables inherited
I have read at 1000’s of locations that Static variables are not inherited. But then how this code works fine? Parent.java Child.java This code prints “Parent”. Also read at few locations concept of data hiding. Parent.java Child.java Now the output is “Child”. So does this mean …