Call the Java String length() method; Hold the value of the String length in a variable for future use; Java String length method() The Java String class contains a length() method that returns the ...

At this point, the Scanner still returns a String, although the String contains only one character. To complete the use case, you must convert this one-character String into a single Java char with ...

Since Java 21, wrapper classes have played an increasingly sophisticated role in Java’s type system. Here’s everything you ...