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Deepak singh
WAP in java to print the series 1*2*3
3 Answer(s)      2 years and 9 months ago
Posted in : Java Interview Questions


WAP in java to print the series 123


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July 12, 2011 at 10:51 AM


import java.util.*;
class Series 
{    
    public static void main(String[] args) 
    {
        Scanner input=new Scanner(System.in);
        System.out.print("Enter value of n: ");
        int num=input.nextInt();
            for(int i=1;i<=num;i++){
                System.out.print(i+" ");
            }
    }
}


July 12, 2011 at 8:43 PM


import java.util.Scanner;
public class Series {
    public static void main(String args[])
    {
        int mul=1;
        Scanner input=new Scanner(System.in);
        System.out.print("Enter value of n: ");
        int num=input.nextInt();
        for(int i=1;i<=num;i++){
            mul=mul*i;
                System.out.println(i+"*="+mul);
            }
    }
}
output:
Enter value of n: 5
1*=1
2*=2
3*=6
4*=24
5*=120
BUILD SUCCESSFUL (total time: 5 seconds)
//Executed successfully


July 13, 2011 at 9:55 AM


import java.util.Scanner;

/**
 *
 * @author Umra
 */
public class Series {
    public static void main(String args[])
    {
        int mul;
        Scanner input=new Scanner(System.in);
        System.out.print("Enter value of n: ");
        int num=input.nextInt();
        for(int i=1;i<=num;i++)
        {
            System.out.println("\n");
            mul=1;
            for(int j=i;j>=1;j--)
            {
                mul=mul*j;
                System.out.print(j+" * ");
            }
            System.out.print("1 ="+mul);
        }
    }
}

output:
Enter value of n: 5


1 * 1 =1

2 * 1 * 1 =2

3 * 2 * 1 * 1 =6

4 * 3 * 2 * 1 * 1 =24

5 * 4 * 3 * 2 * 1 * 1 =120


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