JDK (Java Development Kit) is Sun Microsystems' product for Java developers. Since the introduction of Java, JDK has become the most widely used Java SDK. JDK is the core of the entire Java, including Java runtime environment, Java tools and Java basic class libraries.
#How to check the jdk version?
Steps to view the JDK:
1. Enter java -version under DOS;
2. View the configuration of environment variables .
Attachment:
Check whether jdk is installed, enter java or java -version;
If it prompts that java is not an internal or external command, or there is no The version means that jdk is not installed or the path environment variable is not configured after JDK is installed. Otherwise, if a bunch of English appears, it means that JDK has been installed.
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