Ass4

Write a program to check whether a no. is Keith no. or not.

Source Code:
  

import java.io.*;
import java.lang.*;

class knumber
{
	int kn,i,ckn,m;
	int d [] = new int [30];
	int a [] = new int [30];
	knumber(int n)
	{
	kn=n;
	ckn=n;
	i=0;
	m=0;
	}
	void check()
	{
	while(kn!=0)
	{
	d[i]=(kn%10);
	i++;
	m=kn;
	kn=kn/10;
	}
	i=i-1;
	for(int l=0;l<=i;l++)
	{
	a[i-l]=d[l];
	}
	for(int l1=0;l1<=i;l1++)
	{
	d[l1]=a[l1];
	}
	while(d[i]<ckn)
	{
	int s=0;
	for(int j1=0;j1<=i;j1++)
	{
	s=s+d[j1];
	}
	
for(int j=0;j<=i;j++)
	{	
	if(j==i)
	{
	d[j]=s;
	}
	else
	d[j]=d[j+1];
	}
	}
	}
	void display()
	{
	if(ckn==d[i])
	System.out.println("Keith Number");
	else
	System.out.println("Not Keith Number");
	}
}

************MAIN CLASS*************

class main
{
	public static void main(String ars[])throws Exception
	{
	BufferedReader br=new BufferedReader(new InputStreamReader(System.in));
	System.out.println("Enter a number:");
	int n=Integer.parseInt(br.readLine());
	knumber ob=new knumber(n);
	ob.check();
	ob.display();
	}
}


OUTPUT:

D:\java>javac assignment4.java

D:\java>java main
Enter a number:
368
Not Keith Number

D:\java>java main
Enter a number:
197
Keith Number