Programming-Idioms

Edit summary for version 79 by programming-idioms.org:
Restored version 77: real numbers -> double in Java

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2021-05-30, 15:52:31

2021-06-02, 19:57:32

Idiom #26 Create a 2-dimensional array

Declare and initialize a matrix x having m rows and n columns, containing real numbers.

Declare and initialize a matrix x having m rows and n columns, containing real numbers.

x,m,n

x,m,n

char[][] x = new char[m][n];

double[][] x = new double[m][n];

Initial values are 0.0
m and n need not be known at compile time

Initial values are 0.0
m and n need not be known at compile time

http://ideone.com/tWa2Nf

http://ideone.com/tWa2Nf

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