Coding style

Bruce Eckel's Thinking in Java Contents | Prev | Next

The unofficial standard in Java is to capitalize the first letter of a class name. If the class name consists of several words, they are run together (that is, you don’t use underscores to separate the names) and the first letter of each embedded word is capitalized, such as:

class AllTheColorsOfTheRainbow { // ...

For almost everything else: methods, fields (member variables) and object handle names, the accepted style is just as it is for classes except that the first letter of the identifier is lower case. For example:

class AllTheColorsOfTheRainbow {
  int anIntegerRepresentingColors;
  void changeTheHueOfTheColor(int newHue) {
    // ...
  // ...

Of course, you should remember that the user must also type all these long names, and be merciful.


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