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Mastering the Art of Changing Java Versions in Ubuntu: A Comprehensive Guide
To change the default Java version in Ubuntu, you can follow these steps: Check the installed Java versions on your system using the command: 1. Check the installed Java versions on your system using the command: This command will list all the installed Java versions on your system along with their paths. 2. Choose the version that you want to use as the default by typing the number next to it. 3. Press Enter to confirm your selection. 4. Check the version of Java that is currently set as the default by typing the command: This command will display the version of Java that is currently set as the default…
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Access to PostgreSQL Data Transfer Tool
Abstract:This Java program retrieves the latest data from an Access database table via ODBC and inserts it into a PostgreSQL database table. The program also handles a timestamp column and multiple rows of data.
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Java Version Shuffle: How to Switch Java Versions on MacOS with Ease
Have you ever found yourself in a situation where you needed to switch between Java versions on your Mac? Maybe you have an application that requires an older version of Java, or perhaps you want to take advantage of new features in a newer version. Whatever the reason, it can be frustrating to figure out how to switch between different Java versions. In this article, we’ll provide a step-by-step guide to help you easily switch between different Java versions on your Mac, so you can get back to coding (or playing Minecraft!) in no time. Plus, we’ll throw in a few jokes along the way to keep things light-hearted! On…
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Automatically Back Up Recent Files and Clean Up the Oldest Files in the Backup Folder Using Java
Overview This Java program is designed to automatically back up the most recent files and clean up the oldest files in a backup folder. The program uses the Java Path class to navigate to the folder, the Java Files class to create and manipulate files, and the Java Collections class to sort files by date. Requirements Usage Program Steps Notes Source code: https://github.com/ninniku-it-hub/it-tools/blob/main/BackupFilesClean.java Execution command and results.
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Apple M1 Install OpenJDK (Java)
雖然已經有 Apple M1 MacBook 可用的ARM64 Java,但是,目前Eclipse 針對Apple macOS ARM64版本,尚未正式發布。安裝時,還是只能以macOS x64安裝方式。 1. Install Java #Option 1 x86 Javacurl -C – https://download.java.net/java/ga/jdk11/openjdk-11_osx-x64_bin.tar.gztar xf openjdk-11_osx-x64_bin.tar.gzsudo mv jdk-11.jdk /Library/Java/JavaVirtualMachines/ #Option 2 Azul 64bit Java (一鍵安裝)https://www.azul.com/downloads/ç-community/?package=jdk #Option 3 Oracle JDK (一鍵安裝)https://drive.google.com/file/d/18-nzASNVHZbwRL64pyRtRI_nQzxSkXpR/view?usp=sharing 2. Install PostgreSQL Client Library #Install Brew & pglibhttps://blog.timescale.com/tutorials/how-to-install-psql-on-mac-ubuntu-debian-windows/ 3.安裝 Maven https://maven.apache.org/install.htmlexport PATH=/opt/apache-maven-3.6.3/bin:$PATH 4.設定z-shell 4.安裝 GIT 工具 5.安裝PostgreSQL Postgres
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Java 版本切換
目前同時開發iDempeire 2.0 及 iDempiere 6.1 版本,需要隨時切換Java版本。