{"id":19043,"date":"2022-11-05T05:12:14","date_gmt":"2022-11-04T23:42:14","guid":{"rendered":"https:\/\/jassweb.com\/solved\/solved-operator-in-java\/"},"modified":"2022-11-05T05:12:14","modified_gmt":"2022-11-04T23:42:14","slug":"solved-operator-in-java","status":"publish","type":"post","link":"https:\/\/jassweb.com\/solved\/solved-operator-in-java\/","title":{"rendered":"[Solved] =- operator in java"},"content":{"rendered":"

[ad_1]
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--<\/code> is a “decrement” operator in Java and many other languages. The reason the compiler doesn’t treat it as two -<\/code> operators is that there’s a basic rule that the compiler will look for the longest sequence of consecutive characters that forms one of its “separators” or “operators”, as defined here<\/a>. (><\/code> characters are handled a bit differently because of generics.)<\/p>\n

This is explicitly stated in JLS 3.2<\/a>: <\/p>\n

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The longest possible translation is used at each step, even if the
\n result does not ultimately make a correct program while another
\n lexical translation would. There is one exception [for ><\/code> characters]…<\/p>\n<\/blockquote>\n

Thus, when the compiler sees --4<\/code>, it treats it as a --<\/code> operator applied to 4<\/code>, which is illegal. It doesn’t backtrack and try to find other ways to interpret the --<\/code>.<\/p>\n

But if it sees - -4<\/code>, with a space between the hyphens, it can’t interpret the -<\/code> as anything else except individual minus signs. This is legal and has the same meaning as -(-4)<\/code>.<\/p>\n<\/p><\/div>\n

<\/div>\n<\/div>\n

<\/span> <\/p><\/div>\n<\/div>\n

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solved =- operator in java <\/p>\n","protected":false},"excerpt":{"rendered":"

[ad_1] — is a “decrement” operator in Java and many other languages. The reason the compiler doesn’t treat it as two – operators is that there’s a basic rule that the compiler will look for the longest sequence of consecutive characters that forms one of its “separators” or “operators”, as defined here. (> characters are … Read more<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[320],"tags":[323,369],"class_list":["post-19043","post","type-post","status-publish","format-standard","hentry","category-solved","tag-java","tag-operators"],"yoast_head":"\n[Solved] =- operator in java - JassWeb<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/jassweb.com\/solved\/solved-operator-in-java\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"[Solved] =- operator in java - JassWeb\" \/>\n<meta property=\"og:description\" content=\"[ad_1] -- is a “decrement” operator in Java and many other languages. The reason the compiler doesn’t treat it as two - operators is that there’s a basic rule that the compiler will look for the longest sequence of consecutive characters that forms one of its “separators” or “operators”, as defined here. (> characters are ... 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