ARRAYS - Java Programming: From Problem Analysis to Program Design - page 602

System.out.println("The sum of the elements of row "
+ (row + 1) + " = " + sum + ".");

}
} //end sumRows

public static void largestInRows( int [][] matrix)
{

int largest;

//Largest element in each row
for ( int row = 0; row < matrix.length; row++)
{

largest = matrix[row][0]; //assume that the first
//element of the row is
//largest
for ( int col = 1; col < matrix[row].length; col++)
if (largest < matrix[row][col])
largest = matrix[row][col];

System.out.println("The largest element of row "
+ (row + 1) + " = " + largest + ".");

}
} //end largestInRows

}
Example 9-13 shows how the preceding methods are used in a program.

EXAMPLE 9-13

The following program illustrates how (references to) two-dimensional arrays are passed
as parameters to methods:
// This program illustrates how two-dimensional arrays are
// passed as parameters to methods.

public class TwoDimArraysAsParam //Line 1

{ //Line 2

public static void main(String[] args) //Line 3

{ //Line 4

int [][] board ={{23,5,6,15,18},
{4,16,24,67,10},
{12,54,23,76,11},
{1,12,34,22,8},
{81,54,32,67,33},
{12,34,76,78,9}};

//Line 5

TwoDimArraysMethods.printMatrix(board); //Line 6

System.out.println(); //Line 7

TwoDimArraysMethods.sumRows(board); //Line 8

System.out.println(); //Line 9