"Can you explain how the code works".. question can be closed

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C#

Console.WriteLine("{0,2} + {1,2} = {2,2}\t{3,2} * {4,2} = {5,4}",
                             i, 100 - i, i + (100 - i),
                             i, 100 - i, i * (100 - i));

Posted 23-Jun-15 20:52pm

Shrijith Gopalakrishnan

Updated 23-Jun-15 21:10pm

v3

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Solution 1

I was wondering what {0,2} meant. Now I realize that the '2' is included just to specify spacing.

C#

Console.WriteLine("{0} + {1} = {2}\t{3} * {4} = {5}",
                             i, 100 - i, i + (100 - i),
                             i, 100 - i, i * (100 - i));

This code would give same results....but with the default spacing.

Posted 23-Jun-15 21:09pm

Shrijith Gopalakrishnan

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OriginalGriff · Accepted Answer · 2015-06-23T21:10:00

It's a simple output-to-the-console instruction. It outputs 5 values in the form:

nn + nn = nn      nn * nn = nn

The first parameter (the string) specifies the way the data will be presented, the remaining ones provide the values to show.
Each item in curly brackets in the format string handles a single one of the value parameters: so {0,2} says "insert the first value parameter", {1,2} says "insert the second value parameter" and so forth.
Within the curly brackets, the first number refers to the value parameter index: 0 for the first, 1 for the second, and so forth.
The comma and the second number is optional, and specifies a formatted size for the value: in this case "2" which means that each value will be a minimum of two characters long when printed, so a value of 7 will occupy the same space on screen as a value of 27.
The \t is a "special character" which provides some space between the two parts of the output.