Understanding java-2.6 comma operator from the beginning

In this section, let's talk about the comma operator.

Note: not a comma delimiter.

Package Com.ray.ch03;public class Test {public static void main (string[] args) {for (int i = 0, j = 0; I < 5 && J < 4; i++, J + = 2) {System.out.println ("I:" + i + "J:" + j);}}}

Output:

i:0 j:0
I:1 J:2

As you can see from the code above, using the comma operator in for, you can use multiple parameters.

Comma operation Ideographic often use less, we only need to be as supplementary knowledge.

Summary: This section briefly describes the comma operator.

This chapter is here, thank you.

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Understanding java-2.6 comma operator from the beginning