Multiplication Table: This Java class creates a simple, text-based, multiplication table based on user's input.

Console Output

Upto what whole number would you like your times table? 10

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|     1 |    2 |    3 |    4 |    5 |    6 |    7 |    8 |    9 |   10 |
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|     2 |    4 |    6 |    8 |   10 |   12 |   14 |   16 |   18 |   20 |
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|     3 |    6 |    9 |   12 |   15 |   18 |   21 |   24 |   27 |   30 |
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|     4 |    8 |   12 |   16 |   20 |   24 |   28 |   32 |   36 |   40 |
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|     5 |   10 |   15 |   20 |   25 |   30 |   35 |   40 |   45 |   50 |
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|     6 |   12 |   18 |   24 |   30 |   36 |   42 |   48 |   54 |   60 |
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|     7 |   14 |   21 |   28 |   35 |   42 |   49 |   56 |   63 |   70 |
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|     8 |   16 |   24 |   32 |   40 |   48 |   56 |   64 |   72 |   80 |
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|     9 |   18 |   27 |   36 |   45 |   54 |   63 |   72 |   81 |   90 |
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|    10 |   20 |   30 |   40 |   50 |   60 |   70 |   80 |   90 |  100 |
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MultiplicationTable.java

/**
 * @author Will Nielsen
 * date: December 17, 2013
 * site: willnielsen.com
 */
 
import java.util.Scanner;

public class MultiplicationTable
{
    public static void main(String[] args)
    {
        Scanner in = new Scanner(System.in);
        int max;
        
        System.out.print("Upto what whole number would you like your times table? ");
        max = in.nextInt();
            
        drawLine(max);
        
        for(int num = 1; num <= max; num++)
        {
            System.out.print("| ");
            for (int multiplier = 1; multiplier <= max; multiplier++)
            {
                System.out.printf("%5d", num * multiplier);
                System.out.print(" |");
            }
            drawLine(max);
        }
    }
    
    public static void drawLine(int max)
    {
        String line = "-------";
           /**
         * Draws a line across the page
         */
        System.out.print("\n");
        for(int segments = 1; segments <= max; segments++)
        {
            System.out.print(line);
            if(segments == max)
            {
                System.out.print("--\n");
            }
        }
    }
}