Why don't Java's +=, -=, *=, /= compound assignment operators require casting?

javacastingassignment-operatoroperatorsvariable-assignment
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What does map(&:name) mean in Ruby?

parameter-passingoperatorssyntaxruby
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What is the difference between '/' and '//' when used for division?

mathpythonoperatorssyntaxfloor-division
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What is x after "x = x++"?

javapost-incrementoperators
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How do "and" and "or" act with non-boolean values?

pythonoperatorslogical-operators
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mapkitstreamvirtualenvwrapperrelative-pathandroidhttpclientgit-configlarge-datastatic-typingconfiguration-filesexportminutejavafx-11refreshhttpwebrequestpowerqueryandroid-listviewclass-librarysubset-sumalter-tablegit-merge