Bloco de notas [desktop]

// Execução de Comandos [.bat]: Tela de prompt
try
{
    Runtime.getRuntime().exec("cmd /c \"echo ========= Anotacoes ========= > %userprofile%\\desktop\\oi.txt\"");
    Runtime.getRuntime().exec("cmd /c \"echo Computador: %computername% >> %userprofile%\\desktop\\oi.txt\"");
    Runtime.getRuntime().exec("cmd /c \"echo Diretorio: %userprofile% >> %userprofile%\\desktop\\oi.txt\"");
    Runtime.getRuntime().exec("cmd /c \"echo Nome: %username% >> %userprofile%\\desktop\\oi.txt\"");
    Runtime.getRuntime().exec("cmd /c \"echo. >> %userprofile%\\desktop\\oi.txt\"");
}

catch(IOException e)
{
    System.err.println(e);
}