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HOW TO REINSTALL JAVA 9 AND INSTALL JAVA JDK 7 MAC HOW TO
HOW TO REINSTALL JAVA 9 AND INSTALL JAVA JDK 7 MAC ANDROID
HOW TO REINSTALL JAVA 9 AND INSTALL JAVA JDK 7 MAC SOFTWARE
HOW TO REINSTALL JAVA 9 AND INSTALL JAVA JDK 7 MAC CODE
HOW TO REINSTALL JAVA 9 AND INSTALL JAVA JDK 7 MAC DOWNLOAD

java -version How to set the default version of Java in Linux It will display the default version of the Java programming language. To verify the installation, execute the following command. Similarly we can install any other Java version such as Java7, Java12, and more. Sudo apt install oracle-java8-set-default To install Java8 and make it default, execute the following commands: sudo apt install oracle-java8-installer Sudo apt install oracle-java10-set-default To install Java10 and make it default, execute the following commands: sudo apt install oracle-java10-installer sudo add-apt-repository ppa:webupd8team/java

HOW TO REINSTALL JAVA 9 AND INSTALL JAVA JDK 7 MAC DOWNLOAD

Make sure you are connected to the internet because it will download plenty of files. To install Oracle JDK in Ubuntu and Linux Mint, execute the following commands. Install Oracle JDK in Ubuntu and Linux Mint The above commands will install the Java8, Java7, Java6 respectively. But to install a specific Java version, execute the following commands: sudo apt install openjdk-8-jdk The above command will install the latest OpenJDK version. To install the OpenJDK, execute the below command: sudo apt install default-jdk The above commands will install the specified Java versions. But to install a specific JRE version, execute the following commands: sudo apt install openjdk-8-jre The above command will install the latest JRE version. To install JRE in Ubuntu, execute the below command: sudo apt install default-jre Let’s see how to install Java on our machine. OpenJDK 64-Bit Server VM (build 25.252-b09, mixed mode)įrom the above output, we can see the Java 8 is installed on our machine. If the Java is installed on your machine, it will display the output as: openjdk version "1.8.0_252" To check the installed version of the Java, execute the below command: java -version It is also useful for displaying the installed Java version.

How to check whether Java is installed on my machine?īefore proceeding with the installation process, you must verify whether Java is installed on your machine or not.

Now that you are familiar with Java packages, so let’s proceed further.

HOW TO REINSTALL JAVA 9 AND INSTALL JAVA JDK 7 MAC ANDROID

Oracle JDK is the official Oracle version of the Java Development Kit.However, the OpenJDK is enough capable for most of the cases, but, some other programs like Android Studio suggests using Oracle JDK to enhance the UI/performance. Open JDK is the open-source package of the Java application.

HOW TO REINSTALL JAVA 9 AND INSTALL JAVA JDK 7 MAC CODE

If you want to code in Java and develop the Java applications, this one is the right package for you. JDK (Java Development Kit): The JDK package is useful for developing and executing the Java applications. If you just want to run the Java application. This is the package for you if you are not a developer. JRE (Java Runtime Environment): The JRE helps in executing normal Java-based applications. Let’s see the brief difference between JRE, OpenJDK, and Oracle JDK. JRE vs OpenJDK vs Oracle JDKīefore proceeding further, let’s understand different types of installation packages so that you can choose the right one. You must be a root user to install any kind of tool in your Linux system. To install Java in a Linux system, all we need to have the right of sudo privilege.

HOW TO REINSTALL JAVA 9 AND INSTALL JAVA JDK 7 MAC SOFTWARE

In this section, we are not discussing the hardware requirement of the Java programming language instead we are going to discuss the software or access privilege. So most of the modern systems are capable to run Java. But, Java does not require much more heavy processors or Ram. There are different hardware requirements for the Java programming languages. Prerequisites of Installing Java in Linux

How to set the Java environment variable in Linux.

How to set the default version of Java in Linux.

Install Oracle JDK in Ubuntu and Linux Mint.

Install OpenJDK in Ubuntu and Linux Mint.

How to check whether Java is installed on my machine?.

Prerequisites of Installing Java in Linux.

Before proceeding further, let’s have a look at the quick index of the topic: Also, we will discuss the difference between different types of installation packages. We can install Java on Ubuntu via multiple packages such as JRE, OpenJDK and Oracle JDK. Further, we will see the installation of different versions of Java. In this section, we will discuss how to install Java in Linux ( Ubuntu 18.04 LTS and 16.04 LTS), and other Linux based systems. After the successful installation, we can use it on our machine. For every programming language, installation is the basic and very first step. It is used to develop different types of applications. Java is one of the most popular programming languages across the world.