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public class Main { public static void main(String[] args) { int r,sum=0,temp; int n=454;//It is the number variable to be checked for palindrome temp=n; while(n>0){ r=n%10; //getting remainder sum=(sum*10)+r; n=n/10; } if(temp==sum) System.out.println("palindrome number "); else System.out.println("not palindrome"); } }
public class Main { public static void main(String[] args) { int c=0,a,temp; int n=153;//It is the number to check armstrong temp=n; while(n>0) { a=n%10; n=n/10; c=c+(a*a*a); } if(temp==c) { System.out.println("armstrong number"); } else { System.out.println("Not armstrong number"); } } }
public class Main { public static void main(String[] args) { int n1=0,n2=1,n3,i,count=10; System.out.print(n1+" "+n2); //printing 0 and 1 for(i=2;i<count;++i) //loop starts from 2 because 0 and 1 are already printed { n3=n1+n2; System.out.print(" "+n3); n1=n2; n2=n3; } } }
import java.util.*; public class Demo { public static void main(String[] args) { int i,m=0,flag=0,n; Scanner s=new Scanner(System.in); System.out.println("Enter n Value"); n=s.nextInt(); m=n/2; if(n==0||n==1) { System.out.println(n+" is not prime number"); } else { for(i=2;i<=m;i++) { if(n%i==0) { System.out.println(n+" is not prime number"); flag=1; break; } } if(flag==0) { System.out.println(n+" is prime number"); } }//end of else } }