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Java Java Basics Perfecting the Prototype Looping until the value passes

Kevin Lombardi
Kevin Lombardi
2,977 Points

Last set of challenges from Java program

I am having trouble understanding the challenge 1 from the Java program dealing with the knock knock joke. Can someone explain it to me?

KnockKnock.java
/*  So the age old knock knock joke goes like this:

    Person A:  Knock Knock.
    Person B:  Who's there?
    Person A:  Banana
    Person B:  Banana who?
    ...as long as Person A has answered Banana the above repeats endlessly
    ...assuming the person answers Orange we'd see
    Person B:  Orange who?
    ...and then the punchline.
    Person A:  Orange you glad I didn't say Banana again?
    (It's a really bad joke that makes it sound like "Aren't you glad I didn't say Banana again?")

    Let's just assume the only two words passed in from the console from Person B are either banana or orange.
*/

// ====BEGIN PROMPTING CODE====

// Person A asks:
console.printf("Knock Knock.\n");

// Person B asks and Person A's response is stored in the String who:
String who = console.readLine("Who's there?  ");

// Person B responds:
console.printf("%s who?\n", who);

// ==== END PROMPTING CODE ====
Kevin Lombardi
Kevin Lombardi
2,977 Points

Thank you. I am such a beginner that I forget the simple steps. I actually wrote out the code with pen and paper as I was trying to figure this out and I had something very similar to what you had, but I forgot an ")" and l";" in some places. :( But agian, thanks for your help.

2 Answers

Ken Alger
STAFF
Ken Alger
Treehouse Teacher

Kevin;

See my post here, it may be helpful.

Happy coding,

Ken

Rob Bridges
seal-mask
.a{fill-rule:evenodd;}techdegree seal-36
Rob Bridges
Full Stack JavaScript Techdegree Graduate 35,467 Points

Hello, they are essentially asking for the prompting code knock knock to repeat as long as the answer is not "banana"

Your code would look something like this.

String who;

do {

console.printf("Knock Knock.\n");

  who = console.readLine("Who's there?  ");

console.printf("%s who?\n", who);

} while(who.equalsIgnoreCase("banana"));