OddEven.java

public class OddEven    
{    
    public static void main(String[] args) {    
        int rows, cols, countOdd = 0, countEven = 0;    
            
        //Initialize matrix a    
        int a[][] = {       
                        {4, 1, 3},    
                        {3, 5, 7},    
                        {8, 2, 6}    
                    };    
              
          //Calculates number of rows and columns present in given matrix    
          rows = a.length;    
        cols = a[0].length;    
            
        //Counts the number of even elements and odd elements    
        for(int i = 0; i < rows; i++){    
            for(int j = 0; j < cols; j++){    
              if(a[i][j] % 2 == 0)    
                countEven++;    
              else    
                countOdd++;    
            }    
        }    
            
        System.out.println("Frequency of odd numbers: " + countOdd);    
        System.out.println("Frequency of even numbers: " + countEven);    
    }    
}