>>Yes because I know Java (hypothetically I haven’t touched Java since two years after it was introduced) I can become an efficient Android developer “in a few

>>Yes because I know Java (hypothetically I haven’t touched Java since two years after it was introduced) I can become an efficient Android developer “in a few days”. You can become whatever you want to become. Hiring is a totally different thing altogether. Did A for B years is how you get hired. Not what you can do.