![]() Display the JDK version javac -version To verify your installation, open a "Terminal" and issue these commands.Follow the screen instructions to install JDK/JRE. Double-click the downloaded Disk Image (DMG) file. ![]() Under "Java Platform, Standard Edition" ⇒ "Java SE 11.0.Then, proceed to "Step 3: Write a Hello-world Java program". If message "To open javac, you need a Java runtime" appears, select "Install" and follow the instructions to install JDK.If message "command not found" appears, JDK is NOT installed. ![]() If the JDK version is prior to 1.8, proceed to Step 2 to install the latest JDK otherwise, proceed to "Step 3: Write a Hello-world Java
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