How long is a String?
Text comes in all sizes - from single characters to entire paragraphs. Knowing how many characters a String contains is essential for validation, formatting, and processing text. Let's discover how Java helps you measure Strings!
Deze oefening maakt deel uit van de cursus
Introduction to Java
Oefeninstructies
- 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.
Praktische interactieve oefening
Probeer deze oefening eens door deze voorbeeldcode in te vullen.
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);
}
}