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Java Versions and Compatibility

Java Versions and Compatibility A Comprehensive Overview Java one of the most popular programming languages has evolved significantly since its inception in the

3 min read 21-10-2024 16
Java Versions and Compatibility
Java Versions and Compatibility

how to simplify this code using lambda and filters

Simplifying Code Using Lambda and Filters in Python In Python programming theres often a need to simplify complex code for improved readability and efficiency O

2 min read 17-10-2024 28
how to simplify this code using lambda and filters
how to simplify this code using lambda and filters

After spring upgradation to 1.5.9.RELEASE, my application is failing to run with some error as "Failed to start component [StandardEngine[Tomcat]"

Troubleshooting Spring Upgrade Issues Resolving Tomcat Startup Failures Upgrading your Spring application can often lead to unexpected challenges After upgradin

3 min read 14-10-2024 27
After spring upgradation to 1.5.9.RELEASE, my application is failing to run with some error as "Failed to start component [StandardEngine[Tomcat]"
After spring upgradation to 1.5.9.RELEASE, my application is failing to run with some error as "Failed to start component [StandardEngine[Tomcat]"

Why does the gc log in my java example output this?

Understanding Your Java GC Logs Decoding the Mystery Messages Javas garbage collector GC is a vital component silently managing memory and ensuring your applica

3 min read 06-10-2024 27
Why does the gc log in my java example output this?
Why does the gc log in my java example output this?

Using mockito-inline dependency instead of mockito

Ditching Traditional Mockito Embrace the Power of Mockito Inline In the world of Java unit testing Mockito reigns supreme as the go to mocking framework But did

3 min read 05-10-2024 27
Using mockito-inline dependency instead of mockito
Using mockito-inline dependency instead of mockito

CompletableFuture.allof() gets nullpointerexception

Tackling Null Pointer Exceptions in Javas Completable Future all Of Using Javas Completable Future all Of is a powerful way to manage asynchronous tasks ensurin

2 min read 04-10-2024 28
CompletableFuture.allof() gets nullpointerexception
CompletableFuture.allof() gets nullpointerexception

Does Java Class Data Sharing (CDS) also archive classes in the "classpath"?

Java Class Data Sharing CDS and the Classpath A Detailed Explanation Java Class Data Sharing CDS is a powerful optimization technique that can significantly imp

3 min read 04-10-2024 26
Does Java Class Data Sharing (CDS) also archive classes in the "classpath"?
Does Java Class Data Sharing (CDS) also archive classes in the "classpath"?

Intellij Java 8 issue on run - Unrecognized option: --add-opens

Intelli J IDEA Java 8 Unrecognized option add opens Error Troubleshooting and Solutions Encountering the Unrecognized option add opens error in Intelli J IDEA w

2 min read 04-10-2024 30
Intellij Java 8 issue on run - Unrecognized option: --add-opens
Intellij Java 8 issue on run - Unrecognized option: --add-opens

Elasticsearch exception reason=key [types] is not supported in the metadata section

Understanding the key types is not supported in the metadata section Error in Elasticsearch When working with Elasticsearch encountering the error key types is

2 min read 04-10-2024 38
Elasticsearch exception reason=key [types] is not supported in the metadata section
Elasticsearch exception reason=key [types] is not supported in the metadata section

Get the file extension from byte array

How to Get the File Extension from a Byte Array In many programming scenarios you may find yourself needing to determine the file extension based on the content

3 min read 03-10-2024 28
Get the file extension from byte array
Get the file extension from byte array

Getting following error while upgrading java 8 to java 11, and spring version from 4.3 to 5.3.1

Upgrading from Java 8 to Java 11 and Spring 4 3 to 5 3 1 Common Errors and Solutions Upgrading software versions can often lead to unexpected errors and issues

3 min read 03-10-2024 32
Getting following error while upgrading java 8 to java 11, and spring version from 4.3 to 5.3.1
Getting following error while upgrading java 8 to java 11, and spring version from 4.3 to 5.3.1

While calling one spring boot java service from another on linux server over HTTPS after 5 minutes getting java.net.SocketException: Connection reset

Spring Boot Service Communication Troubleshooting java net Socket Exception Connection reset Calling one Spring Boot service from another is a common practice i

3 min read 03-10-2024 29
While calling one spring boot java service from another on linux server over HTTPS after 5 minutes getting java.net.SocketException: Connection reset
While calling one spring boot java service from another on linux server over HTTPS after 5 minutes getting java.net.SocketException: Connection reset

Exception in thread "main" java.lang.NoSuchMethodError: java.nio.ByteBuffer.flip()Ljava/nio/ByteBuffer

Exception in thread main java lang No Such Method Error java nio Byte Buffer flip Ljava nio Byte Buffer A Guide to Resolving This Java Error This error Exceptio

3 min read 03-10-2024 30
Exception in thread "main" java.lang.NoSuchMethodError: java.nio.ByteBuffer.flip()Ljava/nio/ByteBuffer
Exception in thread "main" java.lang.NoSuchMethodError: java.nio.ByteBuffer.flip()Ljava/nio/ByteBuffer

Trying to upgrade spring version from 4.3.7 RELEASE to 5.3.10 getting error

Upgrading Spring Boot from 4 3 7 to 5 3 10 A Guide to Common Errors and Solutions Upgrading your Spring Boot application can bring you the latest features secur

3 min read 03-10-2024 34
Trying to upgrade spring version from 4.3.7 RELEASE to 5.3.10 getting error
Trying to upgrade spring version from 4.3.7 RELEASE to 5.3.10 getting error

Inteliji problem while trying to run a project on WSL

Intelli J IDEA and WSL A Troubleshooting Guide Scenario You re developing a project using Intelli J IDEA and are trying to run it on your Windows Subsystem for

2 min read 02-10-2024 45
Inteliji problem while trying to run a project on WSL
Inteliji problem while trying to run a project on WSL

I have a problem when installing netbeans version 11 or 17 or 21 with the jre version of jdk, I used jdk 8 with jre, JVM print hs_err_pid17992

Net Beans Installation Troubles Unlocking the JDK 8 Mystery Net Beans is a powerful integrated development environment IDE thats popular among Java developers B

2 min read 02-10-2024 33
I have a problem when installing netbeans version 11 or 17 or 21 with the jre version of jdk, I used jdk 8 with jre, JVM print hs_err_pid17992
I have a problem when installing netbeans version 11 or 17 or 21 with the jre version of jdk, I used jdk 8 with jre, JVM print hs_err_pid17992

Macos v14.0 Java version is jdk8 but jdk17 take effect when run jdk1.8 application

mac OS Ventura v14 0 Java Version Confusion Why JDK 17 Runs Your JDK 8 Apps If you re running mac OS Ventura v14 0 and encountering unexpected behavior with Jav

2 min read 01-10-2024 27
Macos v14.0 Java version is jdk8 but jdk17 take effect when run jdk1.8 application
Macos v14.0 Java version is jdk8 but jdk17 take effect when run jdk1.8 application

How can I convert List<SomeClass> to Map<SomeClass::getField1, Set<SomeClass::getField2>>

Transforming Lists into Maps A Guide to Grouping Objects by Field Converting a list of objects into a map where the keys represent a specific field of the objec

2 min read 30-09-2024 29
How can I convert List<SomeClass> to Map<SomeClass::getField1, Set<SomeClass::getField2>>
How can I convert List<SomeClass> to Map<SomeClass::getField1, Set<SomeClass::getField2>>

Java 8: Lambda-Streams, Filter by Method with Exception

Mastering Java 8 Lambdas Filtering Streams with Methods Throwing Exceptions Java 8 introduced a powerful new paradigm with lambdas and streams enabling concise

3 min read 29-09-2024 26
Java 8: Lambda-Streams, Filter by Method with Exception
Java 8: Lambda-Streams, Filter by Method with Exception