Question

unique number in java​

Answer 1

Question:-

• Write a program to check weather a number is unique or not

A number is said to be a unique number if the digits of the number are not repeated.

Program:-

import java.util.*;

class Unique

{

public static void main(String args[])

{

Scanner sc=new Scanner(System.in);

System.out.print("Enter a number: ");

int b=sc.nextInt();

int a=b,m=0,c=0,k=a;

while(a!=0)

{

r=a%10;

if(b!=0)

{

r1=b%10;

if(r1==b)

m=m+1;

b=b/10;

}

else

{

if(m>1)

c=1;

a=a/10;

b=k;

m=0;

}

}

if(c==1)

System.out.println("Not Unique. ");

else

System.out.println("Unique.");

}

}

Answer 2

Answer:

this answer is very simple than the one who had already answered this question

Scanner sc=new Scanner (System.in) ;

int n=sc.nextInt() ;

int n1=n, d, a, c=0,k=0;

while(n! =0)

{

d=n%10;

while(n1! =0)

{

a=n1%10;

if(a==d)

c++;

n1/=10;

}

if(c>1)

{

k=1; //this statement will act as a flag variable

break;

}

else

c=0;

n/=10;

}

if(k==1)

System. out. println("Not Unique ") ;

else

System. out. println(" Unique ") ;