public static void main(String[] args) {

int a = 10; // initialize and set a single integer var

int[] b = { 1, 4, 7, 9 }; // initialize and set an integer array

int[][] c = { { 1, 2, 4, 12 }, { 8, 54 }, { 99, 11, 7, 6 }}; // init an int array of arrays

System.out.println(a); // simple to just print a single var with a single value

System.out.println(b[2]); // with a 1 dimensional array you have to say which one you want to print

System.out.println(b); // If you just give name of one dimensional.. it prints reference instead of the values

System.out.println(c[1][1]); // c has 3 arrays in it so you have to say which one, and which element in it

// To iterate over the 2 dimensional array.. go through however many arrays there are, and for each one.. print each element

for(int row = 0;row < c.length; row++){

for (int col = 0; col< c[row].length; col++){

//System.out.println(c[row][col]);

System.out.print(c[row][col] + " ");

}

}

}