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by kibwen 3813 days ago
Not just most, I'm betting the overwhelming majority of Java code will compile. But all popular languages break small things with every release (and this is probably a good thing in the long run), so look hard enough and you're guaranteed to find code that won't work.

For instance, here's the compatibility guide to Java 8: http://www.oracle.com/technetwork/java/javase/8-compatibilit...