THE Java™ Programming Language, Fourth Edition

and interfaces in a class: nested classes and interfaces allow you to associate types that are strongly related to an interface ...

As a programmer, the only thing you should need to know about this process is the naming conventions that are used. Consider a s ...

plain "constant" to refer to the latter. Suit currentSuit = ... ; if (currentSuit == Suit.DIAMONDS) ... ; Each enum constant act ...

featuresee page 175.) An enum cannot be declared to extend another type because all enums implicitly extend java.lang.Enum, whic ...

6.3. Enum Constant Declarations The simplest enum constant declaration just gives a name for each enum constant, as you have see ...

The constructor to invoke is determined according to the usual rules for matching argument types with constructor parameter type ...

// ... else if (type == ChessPiece.QUEEN) return queenReachable(current); else throw new Error("Unknown type"); } The job of rea ...

To be directly accessible, the methods defined for each enum constant must be declared as methods of the enum type itselfeither ...

In addition to the Enum class, there are two highly efficient enum-specific collection classes: EnumSet defines a set for use wi ...

7.1. Lexical Elements One of the first phases of compilation is the scanning of the lexical elements into tokens. This phase ign ...

7.1.2. Comments Comments within source code exist for the convenience of human programmers. They play no part in the generation ...

return 0; you cannot drop the space between return and 0 because that would create return0; consisting of the single identifier ...

Identifiers can be as long as you like, but use some taste. Identifiers that are too long are hard to use correctly and actually ...

double 64-bit IEEE 754 floating-point number Each primitive data type has a corresponding class type in the java.lang package. T ...

\' single quote (\u0027) \" double quote (\u0022) \ddd a char by octal value, where each dis one of 07 Octal character constants ...

symbolic constants defined in the Float and Double classessee Chapter 8. A double constant cannot be assigned directly to a floa ...

and behavior are supported by the declared entity. The other attributes of a variable include annotations and modifiers. Annotat ...

it is used.[7] There is no default initialization value for local variables because failure to assign a starting value for one i ...

final String name; NamedObj(String name) { this.name = name; } } or when you must calculate the value in something more sophisti ...

In the example, a new array of a different size could be assigned to the array variable ia at any time. You access array element ...