Monday, 12 September 2011

Matrix Example in Java

n Java tutorial, you will learn about array and matrix. An array is the collection of same data type values. If we create a variable of integer type then, the array of int can only store the int values. It can't store other than int data type.
Matrix: A matrix is a collection of data in rows and columns format.
Description of program:
In this program we are going to implement a matrix. To make a program over the two dimensional array, first of all we have to declare class named as MatrixExample that has one static method outputArray() which takes integer type array and represents it. For displaying the matrix we need to its rows and column by using the array.length method. Now, we use the for loop to print all the values stored in the array. At last use the main() method inside which we are going to declare the values of the multidimensional array which we are going to use. Call the outputArray() method inside the main method. The output will be displayed to the user by println() method.
Here is the code of this Example:
class MatrixExample{
  public static void main(String[] args)  {
  int array[][]{{1,3,5},{2,4,6}};
  System.out.println("Row size= " + array.length);
  System.out.println("Column size = " + array[1].length);
  outputArray(array);
  }
  
 public static void outputArray(int[][] array) {
 int rowSize = array.length;
 int columnSize = array[0].length;
 for(int i = 0; i <= 1; i++) {
 System.out.print("[");
 for(int j = 0; j <= 2; j++) {
 System.out.print(" " + array[i][j]);
 }
 System.out.println(" ]");
 }
 System.out.println();
 }
}
Download this Example
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