[CodingBat/Java] front22

 

링크

https://codingbat.com/prob/p183592

CodingBat Java Warmup-1 front22

 

 

문제

 

 

 

코드

 

public String front22(String str) {
  
  if(str.length()>=2){
  String front = str.substring(0,2);
  
  return front + str + front;
  }
  else{
    return str+str+str;
  }
  
}

 

 

public String front22(String str) {
  // First figure the number of chars to take
  int take = 2;
  if (take > str.length()) {
    take = str.length();
  }
  
  String front = str.substring(0, take);
  return front + str + front;
}