Getting Java version at runtime

Getting Java version at runtime

You can obtain the Java version at runtime in a Java application by using the System class and its getProperty method to access the "java.version" system property. Here's how you can retrieve the Java version at runtime:

public class JavaVersionExample {
    public static void main(String[] args) {
        // Get the Java version
        String javaVersion = System.getProperty("java.version");

        System.out.println("Java Version: " + javaVersion);
    }
}

When you run this code, it will output the Java version installed on your system, which will be something like "1.8.0_292" or "11.0.12" depending on the version of Java you have installed.

The System.getProperty("java.version") call retrieves the value of the "java.version" system property, which stores the Java version information as a string. You can use this information in your Java application to perform version-specific checks or to display the Java version to users as needed.

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