SOLVED:Android firebase :Keytool is not recognised as internal or external command
keytool is not recognized as internal or external command . while updating your application with firebase you have to provide the sha-1 certificate of your device for that you have to find the sha1 certificate of your device to do so you have to use the keytool.exe
but some time your java environment variables are not set so it considers as not recognized so you can use that particular command by jumping in to the same directory .