java set log level

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in java, logging is primarily handled through the `java.util.logging` package, which provides a flexible framework for logging application events. you can configure logging levels for different loggers, which allows you to control the verbosity of log output. the available logging levels in java are:

- `severe` (highest priority)
- `warning`
- `info`
- `config`
- `fine`
- `finer`
- `finest` (lowest priority)

## setting log levels in java

1. **creating a logger**: you create a logger using the `logger.getlogger(string name)` method.
2. **setting the log level**: you can set the level of logging for a logger using the `setlevel(level level)` method.
3. **logging messages**: you can log messages using various methods like `log(level level, string msg)`, `info(string msg)`, `warning(string msg)`, etc.

### example: setting log level in java

here’s a simple example demonstrating how to set the log level for a logger in a java application.



### explanation of the example

1. **importing required classes**: the `logger` and `level` classes are imported from the `java.util.logging` package.
2. **creating a logger instance**: a logger is instantiated with the name of the class (or any name you choose).
3. **setting the log level**: the log level is set to `warning` using `logger.setlevel(level.warning)`. this means that only messages with a severity level of warning or higher (i.e., severe) will be logged.
4. **logging different levels**: various log messages are created at different levels. only messages that meet or exceed the warning level will be printed.

### running the example

when you run the above program, you will see the following output:



### changing log levels dynamically

you can also dynamically change the log level during runtime. for example, if you want to change the log level based on some condition, you can do it like this:



### conclusion

java's built-in logging framework provides a simple but powerful way to handle logging in your applicati ...

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