└── java5.txt


/java5.txt:
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 1 | package Programs;
 2 | 
 3 | import java.util.Scanner;
 4 | 
 5 | public class ArmstrongNumber {
 6 | 
 7 | 	public static void main(String[] args) {
 8 | 		
 9 | 		Scanner sc = new Scanner(System.in);
10 | 		
11 | 		System.out.println("Enter the Number to check Armstrong Numbers : ");
12 | 		
13 | 		int n1=sc.nextInt();
14 | 	
15 | 		boolean armstrong=isArmstrong(n1);
16 | 		
17 | 		if(armstrong)
18 | 		{
19 | 			System.out.println("Armstrong");
20 | 		}
21 | 		else
22 | 		{
23 | 			System.out.println("not armstrong");
24 | 		}
25 | 		
26 | 		System.out.println("enter the 2 numbers to check the range for ");
27 | 		
28 | 		int num1=sc.nextInt();
29 | 		int num2=sc.nextInt();
30 | 		
31 | 		IsRangeArmstrong(num1,num2);
32 | 
33 | 	}
34 | 	
35 | 	protected static boolean isArmstrong(int n)
36 | 	{
37 | 		int c=0;
38 | 		
39 | 		int temp = n;
40 | 		int temp1=n;
41 | 		
42 | 		int sum=0;
43 | 		
44 | 		while(n>0)
45 | 		{
46 | 			c++;
47 | 			
48 | 			n=n/10;
49 | 		}
50 | 		
51 | 		while(temp>0)
52 | 		{
53 | 			int rem=temp%10;
54 | 			
55 | 			sum=sum+(int)(Math.pow(rem,c));
56 | 			
57 | 			temp=temp/10;
58 | 			
59 | 		}
60 | 		
61 | 		if(temp1==sum)
62 | 		{
63 | 			return true;
64 | 		}
65 | 		return false;
66 | 	}
67 | 	
68 | 	
69 | 	private static void IsRangeArmstrong(int n1,int n2)
70 | 	{
71 | 		int count=0;
72 | 		for(int i=n1;i<=n2;i++)
73 | 		{
74 | 			if(isArmstrong(i))
75 | 			{
76 | 				count++;
77 | 				System.out.println(i);
78 | 			}
79 | 		}
80 | 		
81 | 		System.out.println("The Number Count is: " + count);
82 | 	}
83 | 	
84 | 	
85 | 
86 | }
87 | 


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