Java: Use Token.getInputStream() #850

Job	Run time
cpp-lib-build (macos-11, clang, ON)	6m 53s
cpp-lib-build (macos-11, clang, OFF)	9m 38s
cpp-lib-build (macos-11, gcc, ON)	5m 47s
cpp-lib-build (macos-11, gcc, OFF)	9m 2s
cpp-lib-build (ubuntu-20.04, clang, ON)	3m 47s
cpp-lib-build (ubuntu-20.04, clang, OFF)	7m 21s
cpp-lib-build (ubuntu-20.04, gcc, ON)	3m 51s
cpp-lib-build (ubuntu-20.04, gcc, OFF)	6m 27s
cpp-lib-build (windows-2022, clang, ON)	8m 22s
cpp-lib-build (windows-2022, clang, OFF)	12m 44s
cpp-lib-build (windows-2022, cl)	7m 31s
build (macos-11, tool)	2m 1s
build (macos-11, cpp)	33m 43s
build (macos-11, csharp)	11m 0s
build (macos-11, dart)	6m 13s
build (macos-11, go)	4m 46s
build (macos-11, java)	2m 13s
build (macos-11, javascript)	3m 25s
build (macos-11, typescript)	17m 39s
build (macos-11, php)	18m 14s
build (macos-11, python3)	2m 46s
build (ubuntu-20.04, tool)	2m 6s
build (ubuntu-20.04, cpp)	22m 16s
build (ubuntu-20.04, csharp)	9m 51s
build (ubuntu-20.04, dart)	7m 52s
build (ubuntu-20.04, go)	4m 41s
build (ubuntu-20.04, java)	2m 11s
build (ubuntu-20.04, javascript)	2m 15s
build (ubuntu-20.04, typescript)	21m 37s
build (ubuntu-20.04, php)	2m 33s
build (ubuntu-20.04, python3)	1m 49s
build (windows-2022, tool)	2m 40s
build (windows-2022, cpp)	48m 15s
build (windows-2022, csharp)	14m 4s
build (windows-2022, dart)	9m 9s
build (windows-2022, go)	9m 58s
build (windows-2022, java)	4m 7s
build (windows-2022, javascript)	5m 18s
build (windows-2022, typescript)	37m 18s
build (windows-2022, php)	3m 20s
build (windows-2022, python3)	3m 0s
	6h 37m 43s

Provide feedback