![]() So, now we’ll install Java 11 and Upgrade Java 8 to Java 11 on CentOS 7 ![]() ![]() Step 3: Check which Java version ~]# java -version openjdk version "1.8.0_222-ea" OpenJDK Runtime Environment (build 1.8.0_222-ea-b03) OpenJDK 64-Bit Server VM (build 25.222-b03, mixed mode) ~]# Note: Before updating on the production server make sure your application doesn’t have any dependency on the current version because it may impact your application. This will update your system package which includes kernel and dependency packages as well. See also: Step 1: Command to check which Operating system you are using $ cat /etc/*release cat /etc/*release CentOS Linux release (Core) NAME="CentOS Linux" VERSION="7 (Core)" ID="centos" ID_LIKE="rhel fedora" VERSION_ID="7" PRETTY_NAME="CentOS Linux 7 (Core)" ANSI_COLOR="0 31" CPE_NAME="cpe:/o:centos:centos:7" HOME_URL="" BUG_REPORT_URL="" CENTOS_MANTISBT_PROJECT="CentOS-7" CENTOS_MANTISBT_PROJECT_VERSION="7" REDHAT_SUPPORT_PRODUCT="centos" REDHAT_SUPPORT_PRODUCT_VERSION="7" CentOS Linux release (Core) CentOS Linux release (Core) For CentOS 6 – Upgrade Java version from 1.7 to 1.8 on CentOS 6 Step 2: Update the yum package repository: $ sudo yum update Steps to Upgrade Java 8 to Java 11 on CentOS 7 Java 11 also includes various bug fixes, security enhancements, and other improvements to the Java platform. These are just a few of the many features introduced in Java 11. Improved Performance: Java 11 includes various performance improvements, such as reduced startup time and faster execution of applications.TLS 1.3 Support: Java 11 supports the latest version of the Transport Layer Security (TLS) protocol, which provides better security and performance.Improved Unicode Support: Java 11 introduces support for Unicode 10.0.0, which includes new characters and scripts.ZGC (Experimental): A new experimental garbage collector designed for large heaps that can handle very large data sets with very low latency.Dynamic Class-File Constants: This feature allows the JVM to load constants directly from the class file, improving performance and reducing memory consumption.Nest-Based Access Control: This feature improves the encapsulation of classes by allowing classes to be nested in a way that enforces access control.Epsilon: A new experimental garbage collector that does almost no work, making it ideal for applications that generate little to no garbage.Flight Recorder: This feature allows you to collect low-overhead data on your application’s performance and behavior in production environments, without affecting the application’s performance.HTTP Client (Standard): The new HTTP client library is now a part of the standard JDK, providing a more modern and efficient way of making HTTP requests.Local-Variable Syntax for Lambda Parameters: This feature allows you to declare the types of lambda parameters with the ‘var’ keyword, making the code more concise.It introduced several new features and enhancements to the Java platform. Java 11 was released in 2018 and is the latest long-term support (LTS) version of Java. You need ssh access to the CentOS server.This blog will walk you through the steps to upgrade Java 8 to Java 11 on CentOS 7. If you are using CentOS 7, you might be running an outdated version of Java, such as Java 8, and you might be wondering how to upgrade to Java 11, the latest long-term support (LTS) version of Java. Java is one of the most popular programming languages in the world, and it is widely used in enterprise applications, web development, and mobile development. In this tutorial, we’ll explain the steps to upgrade Java 8 to Java 11 on CentOS 7.
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