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Showing posts from June, 2026

Correct Fibonacci program using a while loop:

 import java.util.Scanner; class Main {     public static void main(String[] args) { Scanner sc=new Scanner(System.in); int num=sc.nextInt(); int a=0; int b=1; int count=0; while(count<num){         System.out.print(a+" ");    int c=a+b;     a=b;     b=c;     count++;     }     }}

Armstrong or not

 import java.util.Scanner; class Main {     public static void main(String[] args) { Scanner sc=new Scanner(System.in); int num=sc.nextInt(); int ornum=num; int sum=0; while(num>0){     int digit=num%10;     //int sum=0;     sum= sum + (digit * digit * digit);     num=num/10; }if(ornum==sum){ System.out.println("Is a armstrong");     }     else{         System.out.println("Is a not armstrong");     } } }