samples.calculator

Class Calculator

java.lang.Object

samples.calculator.Calculator

public class Calculator
extends Object

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
class	Calculator.AbstractOperandState
class	Calculator.EnteringFirstOperandState
class	Calculator.EnteringOperatorState
class	Calculator.EnteringSecondOperandState
class	Calculator.ShowingResultState

Field Summary

Fields

Modifier and Type	Field and Description
static DecimalFormat	FORMAT

Constructor Summary

Constructors

Constructor and Description
Calculator()

Method Summary

Modifier and Type	Method and Description
void	enter(char c)
String	getCurrentValue()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

FORMAT

public static final DecimalFormat FORMAT

Constructor Detail

Calculator

public Calculator()

Method Detail

enter

public void enter(char c)

getCurrentValue

public String getCurrentValue()