troubleshooting Question

java challenge string builder

Avatar of gudii9
gudii9Flag for United States of America asked on
Programming Languages-OtherJavaJava EE
19 Comments3 Solutions548 ViewsLast Modified:
Hi,

I am working on below coding challenge
http://codingbat.com/prob/p197720
i wrote as below


public String left2(String str) {
  StringBuilder sb1=new StringBuilder();
  StringBuilder sb2=new StringBuilder();
  StringBuilder sb3=new StringBuilder();
  String result=null;
   String str1=null;
    String str2=null;
  //for(int i=0;i<str.length();i++){
  if(str.length()>=2){
  str1=str.substring(0,2);
  str2=str.substring(2,str.length());
  
  result=str2+str1;
  }
  return result;
  
  
  
  
}

My test cases are passing.
i would like to know how can improve on my above code. How to use string builder in this case Please advise.Thanks in advance
ASKER CERTIFIED SOLUTION
awking00
Information Technology Specialist

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