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Java Java Basics Perfecting the Prototype Looping until the value passes

Abdulla Hussain
Abdulla Hussain
8,221 Points
Posted by Abdulla Hussain
Abdulla Hussain
8,221 Points

I am trapped here in this code challenge "KnockKnock.java". Can someone help me out please?

I am trapped here. It looks like my attempts are failing and I am just wishing if someone could help me get through this challenge, with some explanation on how this is to be fixed. I am new to Java and just starting to learn. I am sure there are fast learners than me here who might be able to get me through this.

Cheers!

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 ====

1 Answer

Gunjeet Hattar
Gunjeet Hattar
14,483 Points
Gunjeet Hattar
Gunjeet Hattar
14,483 Points

Condition 1 - Wrap the prompting code inside a do while loop

// ====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 ====

This is promoting code all you have to do is move it inside a do while loop

Below is a skeleton to give you an idea

If it still doesn't work post your code and we can check

//Declare who variable here, outside the do while loop so it can be accessed inside while as well

do 
{
    // PROMPTING CODE GOES HERE
}

while(check condition if who is equal to banana);
Brendan Milton
Brendan Milton
9,050 Points
Brendan Milton
Brendan Milton
9,050 Points

Hi, this was really helpfull but im still a bit stuck

String who;

 do{

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

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

console.printf("%s who?\n", who); }while(if(who == "banana")

any idea where im going wrong?