Launching lib\main.dart on Android SDK built for x86 64 in debug mode...
Running Gradle task 'assembleDebug'...
c:\b\s\w\ir\cache\builder\src\third_party\dart\runtime\vm\clustered_snapshot.cc: 84: error: Out of memory.
version=2.8.4 (stable) (Wed Jun 3 12:26:04 2020 +0200) on "windows_x64"
pid=10904, thread=13996, isolate=main(0000021C831217D0)
isolate_instructions=21c81b10000, vm_instructions=7ff651dc1010
c:\b\s\w\ir\cache\builder\src\third_party\dart\runtime\vm\thread_pool.cc: 341: error: Could not start worker thread: result = 22.
Aborting re-entrant request for stack trace.
the Dart compiler exited unexpectedly.
the Dart compiler exited unexpectedly.

ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.

Please set the JAVA_HOME variable in your environment to match the
location of your Java installation.
Exception: Gradle task assembleDebug failed with exit code 1