In Java, we can implement whatever sorting algorithm we want with any type. Using the Comparable interface and compareTo() method, we can sort using alphabetical order, String length, reverse ...

Prior editions of this book recommended that compareTo methods compare integral primitive fields using the relational operators < and >, and floating point primitive fields using the static methods ...

* Sorting an array of objects that implement Comparable is as simple as this: Arrays.sort(a); * By implementing Comparable, you allow your class to interoperate with all of the many generic algorithms ...

If you want to take advantage of sorting methods in Java, you'll need to implement the Comparable interface. public interface java.lang.Comparable { public int compareTo(Object o); ...