Tag: java

Why this error trying to unit test an entire Spring Batch Job? No qualifying bean of type ‘org.springframework.batch.core.Job’ available

java junit spring spring-batch spring-boot

I am working on a Spring Batch application. Untill now I was able to unit test something like service methods and something like this (as done in every Spring Boot application). Now I am trying to follow this tutorial in order to test an entire job from my unit test class (basically I want to execute a test m…

Clone an ArrayList to another ArrayList does not work in DP

arraylist dynamic-programming java

Here is the Java code to find the shortest concatenation of elements of Array wordBank to construct String Terget, using Dynamic Programming. Example: Input: wordBank = {“ab”, “c”, “d”, “abc”, “ad”}, Target = “abcd”. Output: {“abc&#…

Text cursor is invisible when editing a JTable cell

java jtable swing text-cursor

The problem is that I have to click on the cell by mouse so that the text cursor is visible (after the cell get focused). I can still edit the cell even if the text cursor is invisible. When I try to get a cell focused through a keyboard key like Tab or Arrow then there’s no chance the text

Could not transfer artifact com.squareup.okhttp3:mockwebserver:pom:4.9.1 from/to central (https://repo.maven.apache.org/maven2)

java maven mockwebserver okhttp spring-boot

I have encountered a problem while importing the MockWebServer dependencies into my project Idea is showing 2 problems: Dependency ‘com.squareup.okhttp3:okhttp:4.9.1’ not found Dependency ‘com.squareup.okhttp3:mockwebserver:4.9.1’ not found And reload all maven projects results in a bi…

How do I print out the instance variable x from my Main class using a ‘Second’ class? [closed]

class instance java variables

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 1 y…

executeUpdate() returns always 1 with MERGE statement

database java merge oracle sql

ExecuteUpdate() is always returning 1. Pls suggest and appreciate any input. Procedure: Java code: stmt.executeUpdate() – always returns 1, even though insertion happens only once. Appreciate any inputs on this. Ideally, if there are no insertions or errors, it should return 0 or any exception trace. Pl…

Aspect Logging: no match for this type name, what am I doing wrong?

aop java spring spring-boot

Here is my Logging class Here is the exception I have Here is the structure I have. I have my controller classes under this dir, why is there no match? I do appreciate your help a lot! Answer You have some basically language type error check this and the other within(@…) that you have You should use @ w…

The non-latin text is disappearing from the pdf text field

itext itext7 java

I create a PDF document with text fillable fields using itext 7.1.9 library. The PdfTextFormField contains a multilanguage text. When the PDF document has created, I open it in Adobe Acrobat Reader and the non-latin symbols are disappearing from the text field and I see only latin symbols, but if I click on t…

Scheduling Simulation Run in Anylogic

anylogic java simulation

I am working on workshop model where i have set of service blocks and resource pools associated with it. I want to run the Simulation for 8 hours on daily basis but is should run for a week. For example the run time is 80 hours, model start on 3 -sept at 8:00AM and run till 3-sept 4:00PM, now model

Issues understanding mapMulti

java mapmulti stream

I’m fairly when it comes to Java, and I’ve decided to dig a little into the implementations and uses of the API, especially the Stream API. I’ve made an implementation after thinking I got it right, and it worked. However I realized something that bugged me out. The mapMulti function takes i…