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mbean
=======
> show Mbean information
This command can show or monitor Mbean attribute information.
### Parameters
|Name|Specification|
|---:|:---|
|*name-pattern*|pattern for the Mbean name|
|*attribute-pattern*|pattern for the attribute name|
|[m]|show meta information|
|[i:]|specify the interval to refresh attribute value (ms)|
|[n:]|execution times|
|[E]|turn on regex matching while the default mode is wildcard matching. Only effect on the attribute name|
### Usage
show all Mbean names:
```bash
mbean
```
show meta data of Mbean:
```bash
mbean -m java.lang:type=Threading
```
show attributes of Mbean:
```bash
mbean java.lang:type=Threading
```
Mbean name support wildcard matcher:
```bash
mbean java.lang:type=Th*
```
> Notes：ObjectName matching rules differ from normal wildcards, Reference resources：[javax.management.ObjectName](https://docs.oracle.com/javase/8/docs/api/javax/management/ObjectName.html?is-external=true)
Wildcards match specific attributes:
```bash
mbean java.lang:type=Threading *Count
```
Switch to regular matching using the `-E` command: