public static boolean isSLF4jAvailable() {
        if (SLF4jAvailable == null) {
            try {
                Class.forName("org.slf4j.Logger");
                setSLF4jAvailable(true);
            } catch (ClassNotFoundException e) {
                setSLF4jAvailable(false);
            }
        }

        return SLF4jAvailable;
    }
public static boolean isSLF4jAvailable ( ) { if ( SLF4jAvailable == null ) { try { Class . forName ( "org.slf4j.Logger" ) ; setSLF4jAvailable ( true ) ; } catch ( ClassNotFoundException e ) { setSLF4jAvailable ( false ) ; } } return SLF4jAvailable ; }
Checks if SLF4j is available (loaded) in JVM

@return true - if SLF4j is available for use