Writing adjacent =='s

When people write a = b = c, they usually mean that a = b and a = c. That's a mathematical convention, we call it a "conjunctional" use of =.

So, if you write this in a Java program:

    a == b == c

people may think you mean

    (a == b) && (a == c)

But that's not how a == b == c is evaluated!!

Therefore, DON'T write a == b == c.

Instead, write:     (a == b) == c

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