Effective Java! Use Enums Instead of int Constants

With this chapter we leave the discussion of Generics behind and move on to talking about enums. Let's start with what our code may look like without enums. Let's say we have a finite set of types of fruits that we need to represent in our code. We may decide to do the following:

public static final int APPLE_FUJI = 1;
public static final int APPLE_GRANNY_SMITH = 2;
public static final int APPLE_PIPPEN = 3;
// Somewhere else in the code
public static final int ORANGE_NAVEL = 1;
public static…