Write a program to input a number and print all Digit in Words of a number?(123==one two three)

48)   Write a program to input a number and print all Digit in Words of a number?(123==one two three)

import java.util.*;
public class Digit_in_words_7
{
    public static void main(String args[ ])
   {
          Scanner sc = new Scanner (System.in);
          System.out.println("Enter a number");
          int a = sc.nextInt();
          int k = a;
          int p = a;
          String s = "";
          int c = 0;
          while(p>0)
          {
          p=p/10;
          c++;
          }
          int x = (int)Math.pow(10,(c-1));
          System.out.print(a+" = "); 
          while(k>0)
          {
              int d = k/x;
              k=k%x;
              x=x/10;
              if(d==1)
              {
                  s = "One";
              }
              else if(d==2)
              {
                  s = "Two";
              }
              else if(d==3)
              {
                  s = "Three";
              }
              else if(d==4)
              {
                  s = "Four";
              }
              else if(d==5)
              {
                  s = "Five";
              }
              else if(d==6)
              {
                  s = "Six";
              }
              else if(d==7)
              {
                  s = "Seven";
              }
              else if(d==8)
              {
                  s = "Eight";
              }
              else if(d==9)
              {
                  s = "Nine";
              }
              System.out.print(s+" "); 
          }
        }

}

Output :  

digit-in-words

Write a program to input a number and find & print the Middle Digit of the number, if does not exist find & print the average of middle digits? (33125==1,  8974==9+7=16/2=8)

Write a program to input a number and find & print the Middle Digit of the number, if does not exist find & print the average of middle digits? (33125==1, 8974==9+7=16/2=8)

47)   Write a program to input a number and find & print the Middle Digit of the number, if does not exist find & print the   average of middle digits? (33125==1,  8974==9+7=16/2=8)

import java.util.*;

public class Middle_digit

{

     public static void main(String args[ ])

   {

      Scanner sc = new Scanner (System.in);

      System.out.println("Enter a number");

      int a = sc.nextInt();

      int k = a;

      int c = 0;

      while(k>0)

      {

          c++;

          k=k/10;

      }

      if(c%2==0)

      {

          int x = (int)Math.pow(10,((c/2)-1));

          int t = a/x;

          int m = t%10;

          t=t/10;

          int n = t%10;

          System.out.println("Avereage of middle digits of a number = "+(m+n)/2.0);

      }

      else

      {

          int x = (int)Math.pow(10,(c/2));

          int t = a/x;

          System.out.println("Middle digit of a number = "+t%10);

      }

    }

}

Output :

middle-digit-of-a-number

 Output :

middle-digit-of-a-number

Write a program to input a number and check whether it is Special two digit number or not?(59, 5+9=14, 5*9=45, sum=14+45=59)

Write a program to input a number and check whether it is Special two digit number or not?(59, 5+9=14, 5*9=45, sum=14+45=59)

46)  Write a program to input a number and check whether it is Special two digit number or not?(59, 5+9=14, 5*9=45, sum=14+45=59)

import java.util.*;

public class Special_two_digit

{

   public static void main(String args[ ])

   {

      Scanner sc = new Scanner (System.in);

      System.out.println("Enter a number");

      int a = sc.nextInt();

      int s = 0;

      int p = 1;

      int k = a;

      if(a>9&&a<100)

      {

          while(k>0)

          {

              int d = k%10;

              s=s+d;

              p=p*d;

              k=k/10;

          }

          int n = s+p;

          if(n==a)

          {

              System.out.println("Entered number is a SPECIAL TWO DIGIT NUMBER ");

          }

          else

          {

              System.out.println("Entered number is not a SPECIAL TWO DIGIT NUMBER");

          }

      }

      else

      {

        System.out.println("Entered number is not a SPECIAL TWO DIGIT NUMBER");

      }

    }

}

 Output :

special-two-digit-number

   Write a program to input a number and find the sum of First and Last digit of this number?(2784=2+4=6first and last digit sum) 

Write a program to input a number and find the sum of First and Last digit of this number?(2784=2+4=6first and last digit sum)

45)  Write a program to input a number and find the sum of First and Last digit of this number?(2784=2+4=6first and last digit sum)

import java.util.*;

public class First_last_digit_sum

{

   public static void main(String args[ ])

   {

      Scanner sc = new Scanner (System.in);

      System.out.println("Enter a number");

      int a = sc.nextInt();

      int p =a;

      int c = 0;

      while(p>0)

      {

          p=p/10;

          c++;

      }

      int x = (int)Math.pow(10,(c-1));

      int l = a/x;

      int f = a%10;

      int s = l+f;

      System.out.println("SUM of FIRST and LAST digit of a entered number = "+s);

    }

}

Output :  

sum-of-first-and-last-digit-of-a-number

Write a program to input a number and find the Sum and Count the all digit of this number.(2784=2+7+8+4=21…no. of digit=4)

Write a program to input a number and find the Sum and Count the all digit of this number.(2784=2+7+8+4=21…no. of digit=4)

44)   Write a program to input a number and find the Sum and Count the all digit of this number.  (2784=2+7+8+4=21…no. of digit=4)

import java.util.*;

public class sum_count_digits

{

   public static void main(String args[ ])

   {

      Scanner sc = new Scanner (System.in);

      System.out.println("Enter a number");

      int a = sc.nextInt();

      int c = 0;

      int s = 0;

      while(a>0)

      {

          int d = a%10;

          c++;

          s=s+d;

          a=a/10;

      }

      System.out.println("SUM of all digits of a entered number = "+s);

      System.out.println("Number of digits in a entered number = "+c);

    }

}

 

 Output : 

sum-of-all-digits-of-a-number

  Write a program to input a number and find it’s all Prime Factor and print it?(12==2,2,3….all factors are prime)

 

Write a program to input a number and find it’s all Prime Factor and print it?(12==2,2,3….all factors are prime)

43)  Write a program to input a number and find it’s all Prime Factor and print it?(12==2,2,3….all    factors are prime)

import java.util.*;

public class Prime_factor

{

    public static void main(String args[ ])

   {

      Scanner sc = new Scanner (System.in);

      System.out.println("Enter a number");

      int a = sc.nextInt();

      int t = a/2;

      System.out.print("PRIME FACTOR of "+a+" = ");

 if(a==1)

 {

   System.out.println(a);

 } 

     

      for(int i = 2;i<=t;)

      {

          if(a%i==0)

          {

             System.out.print(i+" ");

             a=a/i;

          }

          else

          {

             i++;

          }

      }

 

   }

   }

Output : 

prime-factor-of-a-number

 Write a program to input a number and find the Primorial of this number? (6= 2, 3, 5 à2*3*5=30)

 

Write a program to input a number and find the Primorial of this number? (6= 2, 3, 5 =2*3*5=30)

42)   Write a program to input a number and find the Primorial of this number? (6= 2, 3, 5        à2*3*5=30)

import java.util.*;

public class Primorial

{

   public static void main(String args[ ])

   {

      Scanner sc = new Scanner (System.in);

      System.out.println("Enter a number");

      int a = sc.nextInt();

      int p=1;

      for(int i=2;i<=a;i++)

      {

        int c = 0;

        for(int j=1;j<=i;j++)

        {

            if(i%j==0)

            c++;

        }

        if(c==2)

        {

            p = p*i;

        }                 

      }

      System.out.println("PRIMORIAL of "+a+" = "+p);

    }

}

output :  

primorial-of-a-number

41)   Write a program to input two integers and find the GCD/HCF of two numbers (using division method)? (10,12, HCF=2)