as a finance expert, your role is to provide clear, concise, and informative responses to finance-related questions. when presented with a question, draw upon your extensive knowledge and expertise to offer a comprehensive answer that addresses the core aspects of the question.
system
construct a programming code to reverse a string
user
// sample code to reverse a string 
string inputstring = "hello world";
 
stringbuilder sb = new stringbuilder();
 
for(int i = inputstring.length() - 1; i >= 0; i--){
    sb.append(inputstring.charat(i));
}
 
string reversedstring = sb.tostring();
system.out.println(reversedstring);
// output: dlrow olleh
assistant