# StructUtsname Added in[API level 21](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels) Summary:[Fields](https://developer.android.com/reference/android/system/StructUtsname#lfields)\|[Ctors](https://developer.android.com/reference/android/system/StructUtsname#pubctors)\|[Methods](https://developer.android.com/reference/android/system/StructUtsname#pubmethods)\|[Inherited Methods](https://developer.android.com/reference/android/system/StructUtsname#inhmethods) # StructUtsname *** ** * ** *** [Kotlin](https://developer.android.com/reference/kotlin/android/system/StructUtsname "View this page in Kotlin")\|Java ` public final class StructUtsname ` ` extends `[Object](https://developer.android.com/reference/java/lang/Object)` `` ` |---|------------------------------| | [java.lang.Object](https://developer.android.com/reference/java/lang/Object) || | ↳ | android.system.StructUtsname |
*** ** * ** *** Information returned by[Os.uname](https://developer.android.com/reference/android/system/Os#uname()). Corresponds to C's`struct utsname`from``. ## Summary | ### Fields || |------------------------------------------------------------------------------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| | ` public final `[String](https://developer.android.com/reference/java/lang/String) | [machine](https://developer.android.com/reference/android/system/StructUtsname#machine) The machine architecture, such as "aarch64", "riscv64" or "x86_64". | | ` public final `[String](https://developer.android.com/reference/java/lang/String) | [nodename](https://developer.android.com/reference/android/system/StructUtsname#nodename) The machine's unqualified name on some implementation-defined network. | | ` public final `[String](https://developer.android.com/reference/java/lang/String) | [release](https://developer.android.com/reference/android/system/StructUtsname#release) The OS release, such as "2.6.35-27-generic" or "6.16.0-rc4-mainline-gefd77156c8e3-4k". | | ` public final `[String](https://developer.android.com/reference/java/lang/String) | [sysname](https://developer.android.com/reference/android/system/StructUtsname#sysname) The OS name, such as "Linux". | | ` public final `[String](https://developer.android.com/reference/java/lang/String) | [version](https://developer.android.com/reference/android/system/StructUtsname#version) The OS version, such as "#48-Ubuntu SMP Tue Feb 22 20:25:29 UTC 2011" or "#1 SMP PREEMPT 2025-07-09T19:15:06Z". | | ### Public constructors || |------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|---| | ` `[StructUtsname](https://developer.android.com/reference/android/system/StructUtsname#StructUtsname(java.lang.String,%20java.lang.String,%20java.lang.String,%20java.lang.String,%20java.lang.String))`(`[String](https://developer.android.com/reference/java/lang/String)` sysname, `[String](https://developer.android.com/reference/java/lang/String)` nodename, `[String](https://developer.android.com/reference/java/lang/String)` release, `[String](https://developer.android.com/reference/java/lang/String)` version, `[String](https://developer.android.com/reference/java/lang/String)` machine) ` Constructs an instance with the given field values. | | ### Public methods || |-----------------------------------------------------------------------|----------------------------------------------------------------------------------------------------------------------------------------------------| | ` `[String](https://developer.android.com/reference/java/lang/String) | ` `[toString](https://developer.android.com/reference/android/system/StructUtsname#toString())`() ` Returns a string representation of the object. | | ### Inherited methods | |-----------------------|---| | From class` `[java.lang.Object](https://developer.android.com/reference/java/lang/Object)` ` |--------------------------------------------------------------------------------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| | ` `[Object](https://developer.android.com/reference/java/lang/Object) | ` `[clone](https://developer.android.com/reference/java/lang/Object#clone())`() ` Creates and returns a copy of this object. | | ` boolean` | ` `[equals](https://developer.android.com/reference/java/lang/Object#equals(java.lang.Object))`(`[Object](https://developer.android.com/reference/java/lang/Object)` obj) ` Indicates whether some other object is "equal to" this one. | | ` void` | ` `[finalize](https://developer.android.com/reference/java/lang/Object#finalize())`() ` Called by the garbage collector on an object when garbage collection determines that there are no more references to the object. | | ` final `[Class](https://developer.android.com/reference/java/lang/Class)`` | ` `[getClass](https://developer.android.com/reference/java/lang/Object#getClass())`() ` Returns the runtime class of this`Object`. | | ` int` | ` `[hashCode](https://developer.android.com/reference/java/lang/Object#hashCode())`() ` Returns a hash code value for the object. | | ` final void` | ` `[notify](https://developer.android.com/reference/java/lang/Object#notify())`() ` Wakes up a single thread that is waiting on this object's monitor. | | ` final void` | ` `[notifyAll](https://developer.android.com/reference/java/lang/Object#notifyAll())`() ` Wakes up all threads that are waiting on this object's monitor. | | ` `[String](https://developer.android.com/reference/java/lang/String) | ` `[toString](https://developer.android.com/reference/java/lang/Object#toString())`() ` Returns a string representation of the object. | | ` final void` | ` `[wait](https://developer.android.com/reference/java/lang/Object#wait(long,%20int))`(long timeoutMillis, int nanos) ` Causes the current thread to wait until it is awakened, typically by being*notified* or*interrupted*, or until a certain amount of real time has elapsed. | | ` final void` | ` `[wait](https://developer.android.com/reference/java/lang/Object#wait(long))`(long timeoutMillis) ` Causes the current thread to wait until it is awakened, typically by being*notified* or*interrupted*, or until a certain amount of real time has elapsed. | | ` final void` | ` `[wait](https://developer.android.com/reference/java/lang/Object#wait())`() ` Causes the current thread to wait until it is awakened, typically by being*notified* or*interrupted*. | || ## Fields ### machine Added in[API level 21](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels) ``` public final String machine ``` The machine architecture, such as "aarch64", "riscv64" or "x86_64".
### nodename Added in[API level 21](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels) ``` public final String nodename ``` The machine's unqualified name on some implementation-defined network.
### release Added in[API level 21](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels) ``` public final String release ``` The OS release, such as "2.6.35-27-generic" or "6.16.0-rc4-mainline-gefd77156c8e3-4k".
### sysname Added in[API level 21](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels) ``` public final String sysname ``` The OS name, such as "Linux".
### version Added in[API level 21](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels) ``` public final String version ``` The OS version, such as "#48-Ubuntu SMP Tue Feb 22 20:25:29 UTC 2011" or "#1 SMP PREEMPT 2025-07-09T19:15:06Z".
## Public constructors ### StructUtsname Added in[API level 21](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels) ``` public StructUtsname (String sysname, String nodename, String release, String version, String machine) ``` Constructs an instance with the given field values.
| Parameters || |------------|-----------------| | `sysname` | `String`
| | `nodename` | `String`
| | `release` | `String`
| | `version` | `String`
| | `machine` | `String`
| ## Public methods ### toString Added in[API level 21](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels) ``` public String toString () ``` Returns a string representation of the object.
| Returns || |--------------------------------------------------------------------|-----------------------------------------------| | [String](https://developer.android.com/reference/java/lang/String) | a string representation of the object.
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