Fiz o que o instrutor pediu no vídeo para instalar o caminho da pasta bin do JDK no PATH:
1) Abri o CMD como administrador ;
2) Executei o comando setx PATH "%PATH%;C:\Program Files\Java\jdk1.8.0_102\bin" /M em C:\WINDOWS\system32;
3) Apareceu a seguinte informação: "AVISO: os dados são truncados em 1024 caracteres ao serem salvos. ÊXITO: o valor especificado foi salvo.";
4) Abro o CMDER novamente, digito echo %PATH% e aparece o que está logo abaixo:
C:\Users\ragon\Desktop\cmder_mini\bin;C:\Users\ragon\Desktop\cmder_mini\vendor\conemu-maximus5\ConEmu\Scripts;C:\Users\ragon\Desktop\cmder_mini\vendor\conemu-maximus5;C:\Users\ragon\Desktop\cmder_mini\vendor\conemu-maximus5\ConEmu;C:\ProgramData\Oracle\Java\javapath;C:\Program Files (x86)\Intel\iCLS Client\;C:\Program Files\Intel\iCLS Client\;C:\Windows\system32;C:\Windows;C:\Windows\System32\Wbem;C:\Windows\System32\WindowsPowerShell\v1.0\;C:\Program Files (x86)\Intel\Intel(R) Management Engine Components\DAL;C:\Program Files\Intel\Intel(R) Management Engine Components\DAL;C:\Program Files (x86)\Intel\Intel(R) Management Engine Components\IPT;C:\Program Files\Intel\Intel(R) Management Engine Components\IPT;C:\Program Files (x86)\NVIDIA Corporation\PhysX\Common;C:\WINDOWS\system32;C:\WINDOWS;C:\WINDOWS\System32\Wbem;C:\WINDOWS\System32\WindowsPowerShell\v1.0\;C:\Program Files\MATLAB\R2015b\runtime\win64;C:\Program Files\MATLAB\R2015b\bin;C:\Program Files\MATLAB\R2015b\polyspace\bin;C:\Program Files (x86)\Microsoft SQL Server\100\Tools\Binn\;C:\Program Files\Microsoft SQL Server\100\Tools\Binn\;C:\Program Files\Microsoft SQL Server\100\DTS\Binn\;C:\Program Files\Java\jdk1.8.0_102;C:\Program Files\Java\jre1.8.0_102\bin;C:\Program Files\J;C:\ProgramData\Oracle\Java\javapath;C:\Program Files (x86)\Intel\iCLS Client\;C:\Program Files\Intel\iCLS Client\;C:\Windows\system32;C:\Windows;C:\Windows\System32\Wbem;C:\Windows\System32\WindowsPowerShell\v1.0\;C:\Program Files (x86)\Intel\Intel(R) Management Engine Components\DAL;C:\Program Files\Intel\Intel(R) Management Engine Components\DAL;C:\Program Files (x86)\Intel\Intel(R) Management Engine Components\IPT;C:\Program Files\Intel\Intel(R) Management Engine Components\IPT;C:\Program Files (x86)\NVIDIA Corporation\PhysX\Common;C:\WINDOWS\system32;C:\WINDOWS;C:\WINDOWS\System32\Wbem;C:\WINDOWS\System32\WindowsPowerShell\v1.0\;C:\Program Files\MATLAB\R2015b\runtime\win64;C:\Program Files\MATLAB\R2015b\bin;C:\Program Files\MATLAB\R2015b\polyspace\bin;C:\Program Files (x86)\Microsoft SQL Server\100\Tools\Binn\;C:\Program Files\Microsoft SQL Server\100\Tools\Binn\;C:\Program Files\Microsoft SQL Server\100\DTS\Binn\;C:\Program Files\Java\jdk1.8.0_102;C:\Program Files\Java\jre1.8.0_102\bin;C:\Program Files\J;C:\Users\ragon\Desktop\cmder_mini\
5) O C:\Program Files\Java\jdk1.8.0_102\bin que pedi para adicionar no PATH não aparece e não consigo acessar o javac.
Alguém poderia me ajudar, por favor, a resolver o problema?
Desde já agradeço a atenção.