Why does my code create this unexpected error?

Question

public static boolean AllVowels(String hello) { 
    int numLength = hello.length();
    boolean tValue = true;
    int i = 0;
    while (i<=numLength) {
        char temp = hello.charAt(i);
            if (temp == 'a') {
                tValue = true;
            }
            else if (temp== 'e') {
                tValue = true;
            }
            else if (temp == 'i') {
                tValue = true;
            }
            else if (temp == 'o') {
                tValue = true;
            }
            else if (temp == 'u') {
                tValue = true;
            }
            else {
                tValue = false;
            }
            i+=1;
    }
            return tValue; 
}

I wanted to create a method that, when called, will test the inputted string's contents and would return true or false depending on it contains all vowels. (true if all vowels. false if it contains a single consonant.) I am wondering how could I change this so that as soon as it encounters a consonant, it will immediately change the tValue to false and not test the other letters.

I would appreciate any guidance concerning my error.

Check the `charAt` api docs on input range: https://docs.oracle.com/javase/7/docs/api/java/lang/String.html#charAt(int) — tsolakp, Nov 07 '18 at 17:55
You are asking to access an element outside of the index count. Don't forget arrays count at 0. `<=` conditionals won't work, since they will return a value greater than what the index accepts. — Frontear, Nov 07 '18 at 18:01
This is the sort of error which should be faster to fix by stepping through your code with your debugger. — Peter Lawrey, Nov 07 '18 at 18:36

score 1 · Answer 1 · answered Nov 07 '18 at 17:56

1

You are going all the way to the length. You must change i<=numLength to i < numLength

answered Nov 07 '18 at 17:56

Michael Curtis

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Why does my code create this unexpected error?

1 Answers1