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How to handle rows/columns in arrays  RSS feed

 
Ranch Hand
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Hi, I'm trying to print a 2-d array of powers, but I'm having trouble getting my head around the idea of columns and rows.
So if I'm correct, is my inner loop assigning values in the array for columns, and my outer for loop is for the rows?
Or should I have a separate array for each row of the table?
Thanks for any help!



is printing:


It should be printing:

[1.0 1.0 1.0 1.0 ]
[2.0 4.0 8.0 16.0 ]
[3.0 9.0 27.0 81.0 ]
[4.0 16.0 64.0 256.0 ]
[5.0 25.0 125.0 625.0 ]
[6.0 36.0 216.0 1296.0 ]
[7.0 49.0 343.0 2401.0 ]
[8.0 64.0 512.0 4096.0 ]
[9.0 81.0 729.0 6561.0 ]
[10.0 100.0 1000.0 10000.0 ]
 
Ranch Hand
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For the inner loop the j begins at 0.
 
Rancher
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While Akhilesh has pointed you where the problem lies, you can just add one when you find the pow and keeping the loop and the value of j as is.
 
Marshal
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You will have to look at the conventions about the Math#pow() method. Particularly what x to the power of 0 is.
 
It is sorta covered in the JavaRanch Style Guide.
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