名称:+ (addition)
例子:
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"
描述:
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.
两个值相加或连接字符串值。 作为数学运算符,它计算两个值的和。 作为字符串运算符,它可以将两个字符串组合成一个。如果需要,它也能将其从原始数据类型转换为String数据类型。
语法:
value1 + value2
参数:
|
相关:
++ (increment)
+= (add assign)
– (minus)
- 本文固定链接: http://iprocessing.cn/2017/07/21/addition-加法/
- 转载请注明: Hewes 于 Processing编程艺术 发表
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