Multiplication Table Program in Java

In this post, we will develop a Java program to display the multiplication table. In mathematics, a multiplication table is a mathematical table used to define a multiplication operation for an algebraic system. We will also develop a Java program to display the multiplication table from 1 to 10.

Method to print the Multiplication table in using while loop,

public static void
 printMultiplicationTable(int number){

   // declare a temporary variable and 
   // initialize it with 1
   int i = 1;

   while(i <= 10) {
     // find multiplication of n with i
     // and print result
     System.out.println(number+
          " * "+i+" = "+ number * i);

     //increase temporary variable by 1
     ++i;
   }
}

In the above method we used while loop, we can also use for loop to print the multiplication table. In for loop. multiple operations can be written in a single line and due to this, the number of lines of the method printMultiplicationTable() will be decreased.

public static void 
 printMultiplicationTable(int number){

   for(int i=1; i<=10; i++) {
      System.out.println(number+
        " * "+i+" = "+ number * i);
   }
}

---

Multiplication table program

import java.util.Scanner;

public class MultiplicationTable {

   // method to print the table
   public static void 
          printMultiplicationTable(int number){
      for(int i=1; i<=10; i++)
        System.out.println(number+
           " * "+i+" = "+ number * i);
   }

   public static void main(String[] args) {

      // declare a variable to store number
      int number = 0;

      // Create Scanner class object to 
      // read the entered number
      Scanner scan = new Scanner(System.in);

      // read input 
      System.out.print("Enter integer number::");
      number = scan.nextInt();

      // display multiplication table
      System.out.println("Multiplication"+
              " table of "+number+" is :: ");
      printMultiplicationTable(number);

      // close Scanner class object
      scan.close();
   }
}

The output for different-test cases:-

Enter an integer number:: 9
Multiplication table of 9 is ::
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

Java Program for Multiplication Table From 1 to 10

The Below program can display the multiplication table in between two given numbers. Using this program we can print the multiplication table from m to n.

We need to use two loops which should be nested. The loops can be for loop, while loop or do-while loop. The outer loop represents the row and the inner loop represents columns. Each column will be displayed as M*N=MN

public class MultiplicationTable {
  public static void main(String[] args) {

    System.out.println("Multiplication table from 1 to 10:: ");
    for(int i=1; i<= 10; i++) {
       for(int j=1; j<=10; j++) {
          // to format the output use - flag modifier
          System.out.printf("%d*%-2d=%-5d", j, i, i*j );
       }
       System.out.println(); // new line
    }
 }
}

Output:-

Multiplication table  from 1 to 10:: 
1*1 =1    2*1 =2    3*1 =3    4*1 =4    5*1 =5    6*1 =6    7*1 =7    8*1 =8    9*1 =9    10*1 =10   
1*2 =2    2*2 =4    3*2 =6    4*2 =8    5*2 =10   6*2 =12   7*2 =14   8*2 =16   9*2 =18   10*2 =20   
1*3 =3    2*3 =6    3*3 =9    4*3 =12   5*3 =15   6*3 =18   7*3 =21   8*3 =24   9*3 =27   10*3 =30   
1*4 =4    2*4 =8    3*4 =12   4*4 =16   5*4 =20   6*4 =24   7*4 =28   8*4 =32   9*4 =36   10*4 =40   
1*5 =5    2*5 =10   3*5 =15   4*5 =20   5*5 =25   6*5 =30   7*5 =35   8*5 =40   9*5 =45   10*5 =50   
1*6 =6    2*6 =12   3*6 =18   4*6 =24   5*6 =30   6*6 =36   7*6 =42   8*6 =48   9*6 =54   10*6 =60   
1*7 =7    2*7 =14   3*7 =21   4*7 =28   5*7 =35   6*7 =42   7*7 =49   8*7 =56   9*7 =63   10*7 =70   
1*8 =8    2*8 =16   3*8 =24   4*8 =32   5*8 =40   6*8 =48   7*8 =56   8*8 =64   9*8 =72   10*8 =80   
1*9 =9    2*9 =18   3*9 =27   4*9 =36   5*9 =45   6*9 =54   7*9 =63   8*9 =72   9*9 =81   10*9 =90   
1*10=10   2*10=20   3*10=30   4*10=40   5*10=50   6*10=60   7*10=70   8*10=80   9*10=90   10*10=100  

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