5.3 Method Invocation Conversion
Method invocation conversion is applied to each argument value in a method
or constructor invocation (§18.104.22.168, §15.9, §15.12): the type of the argument
expression must be converted to the type of the corresponding parameter.
Method invocation contexts allow the use of one of the following:
• an identity conversion (§5.1.1)
• a widening primitive conversion (§5.1.2)
• a widening reference conversion (§5.1.5)
• a boxing conversion (§5.1.7) optionally followed by widening reference
• an unboxing conversion
If the type of the expression cannot be converted to the type of the parameter by
a conversion permitted in a method invocation context, then a compile-time error
so a narrowing conversion like double to float is not allowed.
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