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Learn Java by Example: Java Program to Generate Multiplication Table

By on Monday, April 19, 2021

Java Program to Generate Multiplication Table

In this program, you’ll learn to generate multiplication table of a given number. This is done by using a for and a while loop in Java.

 

Example 1: Generate Multiplication Table using for loop


public class MultiplicationTable{

    public static void main(String[] args){

        int num = 5;
        for(int i = 1; i <= 10; ++i)
        {
            System.out.printf("%d * %d = %d n", num, i, num * i);
        }
    }
}

Output

5 * 1 = 5
5 * 2 = 10
5 * 3 = 15
5 * 4 = 20
5 * 5 = 25
5 * 6 = 30
5 * 7 = 35
5 * 8 = 40
5 * 9 = 45
5 * 10 = 50

The same multiplication table can also be generated using a while loop in Java.

Example 2: Generate Multiplication Table using while loop


public class MultiplicationTable{

    public static void main(String[] args){

        int num = 9, i = 1;
        while(i <= 10)
        {
            System.out.printf("%d * %d = %d n", num, i, num * i);
            i++;
        }
    }
}

Output

9 * 1 = 9
9 * 2 = 18
9 * 3 = 27
9 * 4 = 36
9 * 5 = 45
9 * 6 = 54
9 * 7 = 63
9 * 8 = 72
9 * 9 = 81
9 * 10 = 90

In the above program, unlike a for loop, we have to increment the value of i inside the body of the loop.

Though both programs are technically correct, it is better to use for loop in this case. It’s because the number of iteration (from 1 to 10) is known.

 

 

 

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Disclaimer: The information and code presented within this recipe/tutorial is only for educational and coaching purposes for beginners and developers. Anyone can practice and apply the recipe/tutorial presented here, but the reader is taking full responsibility for his/her actions. The author (content curator) of this recipe (code / program) has made every effort to ensure the accuracy of the information was correct at time of publication. The author (content curator) does not assume and hereby disclaims any liability to any party for any loss, damage, or disruption caused by errors or omissions, whether such errors or omissions result from accident, negligence, or any other cause. The information presented here could also be found in public knowledge domains.
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