calculator

Enum SimpleCalculator.State

java.lang.Object

java.lang.Enum<SimpleCalculator.State>

calculator.SimpleCalculator.State

All Implemented Interfaces:

java.io.Serializable, java.lang.Comparable<SimpleCalculator.State>

Enclosing class:

SimpleCalculator

public static enum SimpleCalculator.State
extends java.lang.Enum<SimpleCalculator.State>

An enumeration of possible state name values. Some of the names are not used in the simple calculator but will be used in enhanced versions of the calculator.

Enum Constant Summary

Enum Constants

Enum Constant and Description
END
LEFT_PAREN
NUMBER
NUMBER1
NUMBER2
OPERATOR
RIGHT_PAREN
START

Method Summary

Modifier and Type	Method and Description
static SimpleCalculator.State	valueOf(java.lang.String name) Returns the enum constant of this type with the specified name.
static SimpleCalculator.State[]	values() Returns an array containing the constants of this enum type, in the order they are declared.

Methods inherited from class java.lang.Enum

clone, compareTo, equals, finalize, getDeclaringClass, hashCode, name, ordinal, toString, valueOf

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Enum Constant Detail

START

public static final SimpleCalculator.State START

NUMBER1

public static final SimpleCalculator.State NUMBER1

NUMBER2

public static final SimpleCalculator.State NUMBER2

OPERATOR

public static final SimpleCalculator.State OPERATOR

NUMBER

public static final SimpleCalculator.State NUMBER

LEFT_PAREN

public static final SimpleCalculator.State LEFT_PAREN

RIGHT_PAREN

public static final SimpleCalculator.State RIGHT_PAREN

END

public static final SimpleCalculator.State END

Method Detail

values

public static SimpleCalculator.State[] values()

Returns an array containing the constants of this enum type, in the order they are declared. This method may be used to iterate over the constants as follows:

for (SimpleCalculator.State c : SimpleCalculator.State.values())
    System.out.println(c);

Returns:

an array containing the constants of this enum type, in the order they are declared

valueOf

public static SimpleCalculator.State valueOf(java.lang.String name)

Returns the enum constant of this type with the specified name. The string must match exactly an identifier used to declare an enum constant in this type. (Extraneous whitespace characters are not permitted.)

Parameters:

name - the name of the enum constant to be returned.

Returns:

the enum constant with the specified name

Throws:

java.lang.IllegalArgumentException - if this enum type has no constant with the specified name

java.lang.NullPointerException - if the argument is null