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!
Cet exercice fait partie du cours
Introduction to Java
Instructions
- 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.
Exercice interactif pratique
Essayez cet exercice en complétant cet exemple de code.
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);
}
}