<--
is not a new Java operator (even though it may look like it), but there are 2 normal operators: <
and --
while (var2 <-- var1)
is the same as while(var2 < (--var1))
, which can be translated to plain english as:
- decrement the
var1
variable ( --var
is a prefix decrementation, ie. decrement the variable before condition validation)
- Validate the condition
var2 < var1
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