TwoDArray.java

public class TwoDArray
{

public static void main(String args[])
{
  //  int[][] sales = new int[4][6];//row column
    //OR
                   //q1, q2,q3,q4
    int[][] sales = { {2,3,4,5},//2014
                      {7,8,9,10},//2015
                      {12,14,15,16} };//2016
                /*       */
   // System.out.println(sales.length);//amount of rows
   // System.out.println(sales[0].length);//amount of columns
    
  //  sales [0][0] = 6;//set quarter 1, year 2014 to 6
     System.out.println( sales [0][sales[0].length-1]);//retrieve sales from Q4 year 2014 -- sales[0].length-1
    
      
    for (int row = 0; row < sales.length; row++) {
    for (int col = 0; col < sales[0].length; col++) {
       // System.out.print( sales[row][col] + " ");
        if(sales[row][col]==10)
           System.out.print( row + " " + col);
        
    }
     System.out.println( );
}
/*  */
    
}}