// purpose: demonstrate explicit matrix initialization

public class MatrixExplicit {

	public static void main( String[] args ) {
		int[][] a = { { 31, 41, 59, 26 },
		              { 53, 58, 97, 93 },
		              { 23, 84, 62, 64 },
		              { 33, 83, 27, 95 }
					};

		int rows = a.length;
		int columns = a[0].length;

		System.out.println( "a" );
		System.out.println( "_______________________" );
		for ( int r = 0; r < rows; ++r ) {
			// process row r
			for ( int c = 0; c < columns; ++c ) {
				// process the element in column c of row r
				System.out.printf( " %2d", a[ r ][ c ] );
			}
			System.out.println();
		}
	}
}