public static boolean isAtLeastVersion15() {
        return getMajorVersion() >= JAVA_15;
    }
Convenience method to determine if the current JVM is at least
Java 1.5 (Java 5).

@return <code>true</code> if the current JVM is at least Java 1.5
@see #getMajorVersion()
@see #JAVA_15
@see #JAVA_16
@see #JAVA_17
@see #JAVA_18
core/src/main/java/org/apache/shiro/util/JavaEnvironment.java