You might want to move this question to Programmers StackExchange since this is more of a analysis and debate question. Also, try to explain who said Node js single thread is better than java multi-thread. — Sam Goldberg5 secs ago
You may want to try this question on Software Engineering Stack Exchange instead of here. It specializes in theoretical questions like this, as opposed to Stack Overflow where implementation questions are the norm. — neontapir16 secs ago