Program 6:

class twodarray

{

public static void main(String args[])

{

int twod[][] = new int[4][5];

//int twod[4][5];

int i, j, k=0;

for(i=0;i<4;i++)

for(j=0;j<5;j++)

{ twod[i][j] = k; k++; }

for(i=0;i<4;i++)

{

for(j=0;j<5;j++)

System.out.print(twod[i][j]+" ");

System.out.println();

}

}

}