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    I have seen an awful lot of lines of Java resembling x = null; // clear memory in my day, but I’ve never written one of my own because I was never sure it was really necessary. I’m glad to see it isn’t necessary in Go.

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      It might be a result of escape analysis that you didn’t need to do it often.

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        I can’t speak for the JVM, but the CLR will even GC this during a method if it’s not referenced again and no other references to the object exist. I’d be shocked if the JVM didn’t operate identically.