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+import org.slf4j.Logger;%0Aimport org.slf4j.LoggerFactory;%0A%0Apublic class HelloSLF4JSimplest %7B%0A    private static Logger logger = LoggerFactory.getLogger(HelloSLF4JSimplest.class);%0A%0A    public static void main(String... args) %7B%0A        System.out.println(%22Hello SLF4J Simplest!%22);%0A        logger.info(%22This is an info message%22);%0A        logger.debug(%22This is a debug message%22);%0A        logger.warn(%22This is a warning message%22);%0A        logger.error(%22This is an error message%22);%0A    %7D%0A%7D%0A

Create HelloSLF4JSimplest.java