Knowing the variable int a=123, which of the following codes can successfully print the value of variable a in the console?
HarmonyOS single-version distributed databases do not enable automatic synchronization between networked devices by default, but you can enable automatic synchronization if necessary.
What capabilities does the public event service provide for the application?
What are the common problems in uploading software packages during the listing process of HarmonyOS applications/metaservices?
In HarmonyOS, when a subscription action is performed after an out-of-order public event is published, subscribers can also receive the out-of-order public event.
On the basis of the supported input events, the multi-mode input defines some input actions commonly used by users as a set of standardized events, and maps the input events of different input devices to the standardized events.
The HarmonyOS Media Management module provides capabilities for audio playback, audio recording, audio and video synthesis, and video decoding.
The network management module of HarmonyOS provides a data networkmanagement function, which can effectively manage HTTP caches to reduce data traffic.