import org.apache.logging.log4j.LogManager; import org.apache.logging.log4j.Logger; public class MyClass { private static final Logger logger = LogManager.getLogger(MyClass.class); public void myMethod() { logger.debug("This is a debug message"); logger.info("This is an info message"); } } public class MyClass { public void myMethod(int x) { assert (x > 0) : "x must be greater than 0"; // rest of the code } }


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