Step 3: Remove OpenJDK if installed. sudo apt-get purge openjdk-\*.This command will completely remove OpenJDK/JRE from your system. You also need somewhere to put java when we install it. Type: sudo mkdir -p /usr/local/java.
Step 3: Remove OpenJDK if installed. sudo apt-get purge openjdk-\*.This command will completely remove OpenJDK/JRE from your system. You also need somewhere to put java when we install it. Type: sudo mkdir -p /usr/local/java.