The declaration and initialization of arrays involves creating and using the arrays
How to declare an array?
Assume the programming language is Java.
To declare and initialize an array, we make use of:
- One dimensional array: Data-Type Array-name [] = {List of array values}
- Two dimensional array: Data-Type Array-name [] [] = {List of array values}
Assume the array name of the one dimensional array is num, and the data type is integer.
The following can be used to declare and initialize the array to have 5 elements
int num [] = {1,2,3,4,5}
Assume the array name of the two dimensional array is num, and the data type is integer.
The following can be used to declare and initialize the array to have 2 rows and 3 columns
int num [][] = {{1,2},{3,4},{5,6}}
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