//File name--> Armstrong.java
import java.io.*;
class Armstrong{
public static void main(String args[])throws Exception
{
BufferedReader br=new BufferedReader(new InputStreamReader(System.in));
int no,temp,sum=0,rem=0;
System.out.println("Enter number:");
no=temp=Integer.parseInt(br.readLine());
while(no>0)
{
rem=no%10;
sum+=(rem*rem*rem);
no/=10;
}
if(sum==temp)
{
System.out.println("given number "+temp+" is Armstrong number.");
}
else
{
System.out.println("given number "+temp+" is not Armstrong number.");
}
}
OUTPUT
javac Armstrong.java
java Armstrong
Enter number:
123
given number 123 is not Armstrong number.
java Armstrong
Enter number:
153
given number 153 is Armstrong number.
java Armstrong
Enter number:
307
given number 307 is not Armstrong number.
java Armstrong
Enter number:
370
given number 370 is Armstrong number.
}
import java.io.*;
class Armstrong{
public static void main(String args[])throws Exception
{
BufferedReader br=new BufferedReader(new InputStreamReader(System.in));
int no,temp,sum=0,rem=0;
System.out.println("Enter number:");
no=temp=Integer.parseInt(br.readLine());
while(no>0)
{
rem=no%10;
sum+=(rem*rem*rem);
no/=10;
}
if(sum==temp)
{
System.out.println("given number "+temp+" is Armstrong number.");
}
else
{
System.out.println("given number "+temp+" is not Armstrong number.");
}
}
OUTPUT
javac Armstrong.java
java Armstrong
Enter number:
123
given number 123 is not Armstrong number.
java Armstrong
Enter number:
153
given number 153 is Armstrong number.
java Armstrong
Enter number:
307
given number 307 is not Armstrong number.
java Armstrong
Enter number:
370
given number 370 is Armstrong number.
}