error: cannot find symbol protected void onCreate(Bundle savedInstanceState)

[Zaid Sameer]

:app:compileDebugJavaWithJavac
:app:compileDebugJavaWithJavac - is not incremental (e.g. outputs have changed, no previous execution, etc.).
C:\Users\zaids\clStreet\android\app\src\main\java\com\clstreet\MainActivity.java:18: error: cannot find symbol protected void onCreate(Bundle savedInstanceState) {
^
symbol: class Bundle
location: class MainActivity
1 error
:app:compileDebugJavaWithJavac FAILED

FAILURE: Build failed with an exception.

• What went wrong:
  Execution failed for task ':app:compileDebugJavaWithJavac'.

Compilation** failed; see the compiler error output for details.

[Sam Wei]

@ZaidSameer the doc is missing one instruction
Follow --> #20