How long is a String?
String is a collection of characters and oftentimes, you'll need to find its length. Instead of counting though, there is the .length() method!
Diese Übung ist Teil des Kurses
Introduction to Java
Anleitung zur Übung
- Use the
.length()method to find out the length of thebookNamevariable, saving the result asbookNameLength. - Find the length of the author's name,
"Terry Pratchett", and save it using the correct primitive type.
Interaktive Übung
Versuche dich an dieser Übung, indem du diesen Beispielcode vervollständigst.
class HowLong {
public static void main(String[] args) {
String bookName = "Good Omens: The Nice and Accurate Prophecies of Agnes Nutter, Witch";
// Find the length of bookName
int bookNameLength = bookName.____();
// Find the length of the String and save it
____ authorNameLength = "Terry Pratchett".____;
System.out.println("The length of the book title is " + bookNameLength);
System.out.println("The length of the author's name is " + authorNameLength);
}
}