e398. creating a custom log level.txt

这里面包含了一百多个JAVA源文件

To create a custom level, the Level class must be subclassed. 
    public class MyLevel extends Level {
        // Create the new level
        public static final Level DISASTER = new MyLevel("DISASTER", Level.SEVERE.intValue()+1);
    
        public MyLevel(String name, int value) {
            super(name, value);
        }
    }

An example that uses the custom level: 
    // Use it directly
    Logger logger = Logger.getLogger("com.mycompany");
    logger.log(MyLevel.DISASTER, "my disaster message");
    
    // Retrieve by name
    Level disaster = Level.parse("DISASTER");
    logger.log(disaster, "my disaster message");

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