for (var node : this){ if (node.getState().equals(state)){ return node; }
时间: 2024-05-20 22:16:32 浏览: 13
This code is using a for-each loop to iterate over a collection of nodes (presumably in a tree or graph data structure) represented by the keyword "this". For each node in the collection, it checks if the node's state (presumably represented by a String or enum) is equal to the given "state" parameter. If a node is found with a matching state, it is returned from the method.
Note: this code is written in Java.
相关问题
node.getState()
As an AI language model, I do not have access to the specific context or programming language in which this method is being used. However, in general terms, the `getState()` method could be used in a Node.js application to retrieve the current state or status of a particular node or component. The exact implementation and usage of this method would depend on the specific application and programming language being used.
"class_name": "android.telephony.TelephonyManager",
"Class_name": "android.telephony.TelephonyManager" 是 Android 操作系统中的一个核心类,它属于telephony包,主要用于处理电话和短信相关的功能。TelephonyManager 提供了与设备电话硬件交互的方法,例如获取当前的手机号、网络状态、SIM卡信息、获取运营商名称等。
具体功能包括但不限于:
1. **getLine1Number()**: 返回设备的主号码(对于双卡手机可能不是两个都返回)。
2. **getNetworkOperator()**: 获取当前所用的运营商代码。
3. **getState()**: 获取网络连接状态,如 OFFLINE、IDLE、ALREADY_IN_CALL 等。
4. **getSimState()**: 查询 SIM 卡的状态,如 SIM_INSERTED、SIM_LOCKED 等。
使用 TelephonyManager,开发者可以编写应用程序来访问和管理用户的电话功能,比如拨打电话、发送短信、检查网络连接等。但是,由于涉及用户隐私和安全,使用这个类时需要遵守 Android 的权限管理和用户协议。
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