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Java Java Basics Perfecting the Prototype Looping until the value passes

Posted by Gregory Delgado
Gregory Delgado
Courses Plus Student 203 Points

I'm pretty stuck on do-while loops exercises. If I could please have some help that would be great!

I'm stuck on the do while loop exercises. I've watched the videos multiple times and can't get past it. I've literally followed the example from the workshop to help and still nothing. I really don't want to move on if I can't complete this exercise.

Example.java 
String response = console.readLine("Do you understand do while loops?");
String response;
Boolean = isInvalidWord; 
do { String response = console.readLine("Do you understand do while loops?");
    isInvalidWord = respone.equalsIgnoreCase("No"); }
if (isInvalidWord);
  while(response.equalsIgnoreCase("No");

2 Answers

Rumyana Dimitrieva
seal-mask
.a{fill-rule:evenodd;}techdegree seal-36
Rumyana Dimitrieva
Java Web Development Techdegree Graduate 18,632 Points
Rumyana Dimitrieva
.a{fill-rule:evenodd;}techdegree seal-36
Rumyana Dimitrieva
Java Web Development Techdegree Graduate 18,632 Points

Hi Gregory, in the first line of your code you already declared variable response. You don't have to do it again in line 2 and inside the loop.

The syntax of do while loop is 

do {
     statement(s)
} while (expression);

while the expression evaluates to true the statement(s) will be executed

in your case:

do{
    response = console.readLine("Do you understand do while loops?");  
 }while(response.equalsIgnoreCase("No"));
Francis Stallings
Francis Stallings
2,132 Points
Francis Stallings
Francis Stallings
2,132 Points

In this exercise , we're trying to prompt the user to continue answering the question until they enter "yes"? This is unclear. I thought it was just a yes or no question. As a do while loop is it inherent that the code reruns until a condition is no longer in existence ( in this case its when the user enters "no"?) ? What if the user enters "dork"? Where do we store the right answer which I'm now assuming is "yes"?