hasOne challenge

Hi,

I am working on below challenge
http://codingbat.com/prob/p191212

Psedo code:
1. for given number % with 10
2. if 1 return true
3. else return false

I wrote my code as below

public boolean hasOne(int n) {
  if(n%10==1){
  
 // if(n/10==1){
  return true;
 // }
  }
  return false;
  
}

Select allOpen in new window

I am not passing all tests

Expected      Run            
hasOne(10) → true      false      X      
hasOne(22) → false      false      OK      
hasOne(220) → false      false      OK      
hasOne(212) → true      false      X      
hasOne(1) → true      true      OK      
hasOne(9) → false      false      OK      
hasOne(211112) → true      false      X      
hasOne(121121) → true      true      OK      
hasOne(222222) → false      false      OK      
hasOne(56156) → true      false      X      
hasOne(56556) → false      false      OK      
other tests
X      

How to improve/modify my design, code and any other alternate approaches. please advise