Welcome to the Treehouse Community

The Treehouse Community is a meeting place for developers, designers, and programmers of all backgrounds and skill levels to get support. Collaborate here on code errors or bugs that you need feedback on, or asking for an extra set of eyes on your latest project. Join thousands of Treehouse students and alumni in the community today. (Note: Only Treehouse students can comment or ask questions, but non-students are welcome to browse our conversations.)

Looking to learn something new?

Treehouse offers a seven day free trial for new students. Get access to thousands of hours of content and a supportive community. Start your free trial today.

Java Java Basics Perfecting the Prototype Looping until the value passes

Help. I am on challenge 2 of 3 and I am stuck.

I am not sure what I am doing wrong. Can someone point out my mistakes?

// I have initialized a java.io.Console for you. It is in a variable named console.
String response = console.readLine("Do you understand while loops?  ");

do {
  console.readLine("Do you understand while loops?  ");
} while (response = "No");

1 Answer

Steven Parker
Steven Parker
221,309 Points

An advantage of the "do" style loop is you don't need to call "readLine" twice. Just declare the variable before the loop.

Then, inside the loop, be sure to assign your variable with the result of the "readLine" call.

Finally, in the conditional clause of the "while", be sure to use a comparison operator ("==") instead of an assignment operator ("=").