public class Class2 {
public static void main(String[]args) {
final int TABLE_SIZE = 12;
// Declare the rectangular array to store the multiplication table:
int[][] table = new int[TABLE_SIZE][TABLE_SIZE];
// Fill in the array with the multiplication table:
for(int i = 0 ; i < table.length ; ++i) {
for(int j = 0 ; j < table[i].length ; ++j) {
table[i][j] = (i+1)*(j+1);
}
}
// Output the table heading
System.out.print(" :"); // Row name column heading
for(int j = 1 ; j <= table[0].length ; ++j) {
System.out.print((j<10 ? " ": " ") + j);
}
System.out.println("\n-------------------------------------------------------");
// Output the table contents
// Each entry in the table should be four characters wide so we output
// three spaces preceding values less than 10, two spaces preceding values
// from 10 to 99 and one space for values exceeding 100.
// This exercise would be much easier if you know about the printf() method
// that you'll see in detail in Chapter 8.
for(int i = 0 ; i < table.length ; ++i) {
System.out.print("Row" + (i<9 ? " ":" ") + (i+1) + ":");
for(int j = 0; j < table[i].length; ++j) {
System.out.print((table[i][j] < 10 ? " " : table[i][j] < 100 ? " " : " ") + table[i][j]);
}
System.out.println();
}
}
}