Very soon we’ll talk about the details of sorting algorithms, but before that let’s look at how Java’s built-in library handles sorting. In this set of notes, we’ll look at sorting arrays, sorting ...

05-14 11:30:54.272 29119 18266 E AndroidRuntime: java.lang.NullPointerException: Attempt to invoke interface method 'int java.lang.Comparable.compareTo(java.lang.Object)' on a null object reference ...

There are many ways to do anything in Java, and there is no conclusive right way. Often, the right way is simply the way you know best. Imperative loops like the for loop are the most basic way to do ...

The IComparable interface lets you create objects that know how to sort themselves correctly. This interface also provides an example of a high-level strategy for building and extending your classes.