Page 382 - CA_Blue( J )_Class10
P. 382

Program 3    To input 10 numbers and print the prime numbers only.


                 1  import java.util.*;
                 2  class prime

                 3  {    public static void main()
                 4      {    Scanner sc= new Scanner(System.in);

                 5         int ar[]=new int[10];
                 6         int i,j,c;

                 7         for(i=0;i<10;i++)
                 8         {    System.out.print ("Enter a number : ");

                 9            ar[i] = sc.nextInt();
                10         }

                11              System.out.print ("The prime numbers are : ");
                12         for(i=0;i<10;i++)

                13         {    c=0;
                14            for(j=1;j<=ar[i];j++)

                15            {    if(ar[i]%j==0)
                16               {    c++;    }

                17            }
                18            if(c==2)

                19            {    System.out.print(ar[i]+ " , " );    }
                20         }

                21      }
                22  }

              You will get the following output:
              Enter a number : 1
              Enter a number : 2
              Enter a number : 3

              Enter a number : 4
              Enter a number : 5
              Enter a number : 6
              Enter a number : 7
              Enter a number : 8
              Enter a number : 9
              Enter a number : 10
              The prime numbers are : 2 , 3 , 5 , 7



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