'keytool' is not recognized as an internal or external command [duplicate]
问题 This question already has answers here : Environment variables for java installation (14 answers) Closed 3 years ago . I've created a small Android application using Ionic and I was going to build the signed apk to test the app. When I typed 'keytool' command in my command prompt I'm getting this error 'keytool' is not recognized as an internal or external command, operable program or batch file. And I tried googling and all solved problems mentions that it's a problem with Path variable of