Category "java-8"

A way to update multiple records together?

I am trying to see if there is a way to improve the way data is inserted and updated. I am using ORACLE DB with JDBC. The current way i'm doing is to update (e.

how to convert nested for loop in stream API for the program [closed]

List<Emp> list = Arrays.asList( new Emp(123, "ABC"), new Emp(123, "BCD"), new Emp(1243, "AUBC"),

mapper does not convert between dto to entity

I am new to mapsturct I just want to map between dto to entity those two; my bank class; @Id private int id; my bank dto class; private Integer bankId; my m

TLSv1.2 on tomcat jdbc connection

My project setup uses mssql, tomcat9.0.59,java 1.8_322 and MSSql driver is mssql-jdbc-10.2.0.jre8.jar. TLS 1.2 is enabled database server, after patching. Quest

TLSv1.2 on tomcat jdbc connection

My project setup uses mssql, tomcat9.0.59,java 1.8_322 and MSSql driver is mssql-jdbc-10.2.0.jre8.jar. TLS 1.2 is enabled database server, after patching. Quest

run specific queue on new service in GAE java8 standard environment

We have a project which is setup on GAE with java8 standard environment and the app runs on default service. Now I would like to add a new service to the app so

Get Count of json key using Java Stream

I have a json object that looks like this [{ "startAt": 1617605301292, "endAt": 1617605317095, "duration": 1580

Error: Unable to access jarfile /snap/vue/1/jar/vue-1.0-SNAPSHOT.jar when creating vue.js project

I used below command to create new vue.js project. sudo vue create my-app but it gives following error Picked up _JAVA_OPTIONS: -Dswing.defaultlaf=com.sun.ja

java -version does not change

I am having trouble changing the version of java running on my Mac running Big Sur 11.2 with zsh. I want to set Java 1.8 as my default, so I used the following

How to map elements to their index using streams?

I get a stream of some custom objects and I would like to create a map Map<Integer, MyObject> with index of each object as key. To give you a simple examp

filter objects based on an ID and Date Java

I have a class that for which each instance has a unique Id, a name and update date. ID NAME UPDATE DATE 1200 ANNA* 2022-03-01 1300 JONH* 2022-04-01 1200 ANNA*

How to register TestExecutionListener in Junit 5 and detect if all tests are executed

Hi I am trying to implement integration test using JUNIT 5 as a framework and we just want to start all the process once before all the test are executed and st

Docker: Can't read class path resource from spring boot application

Reading a classpath resource as, try { final ClassPathResource classPathResource = new ClassPathResource(format("location%sGeoLite2-City.mmdb", Fil

Java 8 Performance Issues In Windows Server 2019

I have recently migrated some scheduled jobs from a Windows Server 2012 virtual server to a new Windows Server 2019 virtual server, and have noticed some notabl

Custom sort order on a Spark dataframe/dataset

I have a web service built around Spark that, based on a JSON request, builds a series of dataframe/dataset operations. These operations involve multiple joins,

Parallelism with Streams created from Iterators

Experimenting with streams I ran into the following behavior which I don't quite understand. I created a parallel stream from an iterator and I noticed that it

Get the extension from a MimeType

I want to get the extension from a MimeType. For example: video/mp4 ----> mp4 application/x-rar-compressed ----> rar text/plain

How to handle the mouse wheel scrolling event using JavaFX?

Just need to get some numeric equivalent, which will show how much the wheel is scrolled. I managed to find an example only using awt/swing: Java Docs P.S. So

java 8 stream for double loop and change the value in first loop

i have nested loop to loop and change the first list based on condition below. this works fine. its like if cardNumber in firstList same or found in secondList,

java 8 stream for double loop and change the value in first loop

i have nested loop to loop and change the first list based on condition below. this works fine. its like if cardNumber in firstList same or found in secondList,