Reference+
Name
+ (addition)
Description
Adds two values or concatenates string values. As a mathematical operator, it calculates the sum of two values. As a string operator, it combines two strings into one and converts from primitive datatypes into the String datatype if necessary.
Examples
int a = 50 + 5; // Sets 'a' to 55 int b = a + 5; // Sets 'b' to 60
String s1 = "Chernenko"; String s2 = "Brezhnev"; String sc1 = s1 + s2; String sc2 = s1 + ", Andropov, " + s2; println(sc1); // Prints "ChernenkoBrezhnev" println(sc2); // Prints "Chernenko, Andropov, Brezhnev"
String s1 = "Gorbachev"; int i = 1987; String sc1 = s1 + i; println(sc1); // Prints "Gorbachev1987"
Syntax
value1 + value2
Parameters
value1
String, int, float, char, byte, booleanvalue2
String, int, float, char, byte, boolean
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