Concatenation Operator (+) Summary Joins two strings. Syntax expression1 + expression2 Parameters expression1 An expression that evaluates to the string type. expression2 An expression that evaluates to the string type. Description For string data, the + operator joins two strings. For example, "abc" + "def" will evaluate to the combined string result "abcdef". Differences from JavaScript For strings, + results in concatenation. In JavaScript, concatentation occurs even if the other expression is numeric. Thus, 3 + "2" yields "32"; meanwhile, all other arithmetic operations yield NaN when applied to strings. In JS++, + is the only legal arithmetic operator for strings and is used for concatentation. All other arithmetic operators are not allowed for strings. Examples Basic Usage 12345import System; Console.log("a" + "b"); // "ab"Console.log("abc" + "def"); // "abcdef"Console.log("foo" + "bar"); // "foobar" See Also string Type Addition Operator (+) Operator Precedence Concatenation Assignment Operator Share HTML | BBCode | Direct Link
