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Start your free trialMatthew Fueglein
640 Pointsmy code isn't passing, not sure why. can someone check it out please?
i'm supposed to throw an exception if fieldName doesn't start with an 'm' or if the second char isn't uppercase.
public class TeacherAssistant {
public static String validatedFieldName(String fieldName) {
// These things should be verified:
// 1. Member fields must start with an 'm'
// 2. The second letter in the field name must be uppercased to ensure camel-casing
// NOTE: To check if something is not equal use the != symbol. eg: 3 != 4
if(fieldName.charAt(0)!= 'm') {
throw new IllegalArgumentException("A m is required");
}
if(Character.isLowerCase(fieldName.charAt(1)))
{
throw new IllegalArgumentException("A uppercase is required");
}
return fieldName;
}
}
1 Answer
Ryan Field
Courses Plus Student 21,242 PointsHi Matthew,
This challenge is trying to trick you. If you look carefully at the error message, it says it tried passing 'm_first_name' and expected it to fail, but it passed. The second character here is an underscore, so you need to also check whether the second character is, in fact, a letter. You can use the
isLetter()
method to determine that.
Matthew Fueglein
640 PointsMatthew Fueglein
640 Pointsthanks man!