To create a Unity application for Android, you first need to set up your Unity project to support Android. To support Android, a Unity project requires the following dependencies: The Android Build Support module. The Android Software Development Kit (SDK). The Native Development Kit (NDK). A Java Development Kit. By default, Unity uses OpenJDK. Run the downloaded file after download completed. And follow the steps. After installed JDK, you have to set Path to it. To set path, search "Environment Variables", click "Edit the system environment variables". Click on "Environment Variables" Add the path of the bin folder of your JDK, "C:\Program Files\Java\jdk1.8.0_60\bin" in my case. To uninstall the JDK, use the "Add/Remove Programs" utility in the Microsoft Windows Control Panel. Use the following command to uninstall the JDK in silent mode: msiexec.exe/X {. For example, to uninstall Java 8 update 251, run the command: msiexec.exe/X {26A24AE4-039D-4CA4-87B4-2F64180251F0} Please note JAVA_HOME should point to a JDK directory not a JRE one. The point of setting the environment variable is to let programs know in which directory executables like javac can be found. We can try to set java environment variables in windows 10 according to How to set JAVA_HOME in Windows 10. It includes the following three steps: On Windows 10, click menu Start > Settings, then click Apps in Settings window. Under Apps & Features, click on the JDK version you wish to remove: Just click Uninstall two times and it will remove JDK quickly from your operating system. You can verify by typing java -version in command prompt, and check the directory C:\Program Files\Java. Step 4: Install JDK 8. sudo yum install -y jdk-8u141-linux-x64.rpm Step 5: Verify oracle JDK version. java -version Installing JRE 1.8. sudo yum install java-1.8.0 change the Java version. sudo alternatives --config java In my case there's a Java process running (JDK 7). I just terminated that process and Java installer completed installation. In order to do it follow these steps. Open task manager. Find-out Java SE Binary process running. Right click on it and end task or use Alt + E. Now Java installer completes installation. 2. Download and Install Oracle JDK 12 Oracle JDK 12 was a commercial build for Java SE 12 but it was superseded. Oracle JDK 12 is not recommended for production use. Only programmers should use it to debug issues in old systems. To download Oracle JDK 12, you need to go to Oracle Java Archive Downloads page. .

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