public class MatrixClass
{
int arraya [][];
//constructor
MatrixClass ()
{
arraya=new int [3][4];
}
public void display(int arraya [] [])
{
//display original elements
int i,j;
System.out.println("the array elements are:");
for (i=0;i<arraya.length;i++)
{
System.out.println();
for (j=0;j<arraya[i].length;j++)
{
System.out.print(arraya[i][j] +" ");
}//end for
}//end outer for
}//end display
public void scalearray(int x [] [])
{
int i,j;
System.out.println("\n the output after multiplications");
for (i=0;i<x.length;i++)
{
System.out.println();
for (j=0;j<x[i].length;j++)
{
x[i][j]=x[i][j]*5;
System.out.print(x[i][j] +" ");
}//end for
}//end outer for
}//end scalearray
public static void main(String [] args)
{
int num [][]={{5,6,9,3},{6,4,2,-5},{9,-2,1,3}};
MatrixClass a= new MatrixClass();
a.display(num);
a.scalearray(num);
}//end main
}//end Matrix class