What does %% mean in java?

Question

I am a PHP programmer and wonder what this line means.

System.out.printf("exp(%.3f) is %.3f%n", x, Math.exp(x))

what% .3f,%. 3f% n and the comma x means?

Answer 1

It is similar to C printf:

http://java.sun.com/j2se/1.5.0/docs/api/java/util/Formatter.html#syntax

Answer 2

PHP has a similar function: http://php.net/printf Java version documentation can be found here: http://java.sun.com/javase/6/docs/api/java/util/Formatter.html

Answer 3

% - , .

x Math.exp(x) .

, , , PHP-, PHP printf .

Answer 4

%. 3f Java, C/++. .

Answer 5

printf. "%" " ", , % .

Answer 6

, , %n printf...