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Start your free trialEmeka Okoro
Courses Plus Student 11,724 Pointsexercise on validation in delivering the mvp
i need help with this .. the error seems to be in my second if condition
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("make this a member variable");
}
if(!Character.isUppperCase(fieldName.charAt(1))) {
throw new IllegalArgumentException("use camelCasing");
}
return fieldName;
}
}
3 Answers
Paul Willis
4,082 Pointspublic 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' || !Character.isUpperCase(fieldName.charAt(1))) {
throw new IllegalArgumentException();
} else {
return fieldName;
}
}
Emeka Okoro
Courses Plus Student 11,724 PointsHaaa!! Thanks champ!! Really grateful
Paul Willis
4,082 PointsSure! No problem! Would you mind marking my answer as 'best answer'? Thanks!
Emeka Okoro
Courses Plus Student 11,724 PointsIt sure is!! U're welcome.
Gareth Gray
3,336 PointsGareth Gray
3,336 PointsReally hope I'm wrong but is the error here simply because of the extra 'p' in '.isUpperCase'?