public class Calculator extends Object
Modifier and Type | Class and Description |
---|---|
class |
Calculator.AbstractOperandState |
class |
Calculator.EnteringFirstOperandState |
class |
Calculator.EnteringOperatorState |
class |
Calculator.EnteringSecondOperandState |
class |
Calculator.ShowingResultState |
Modifier and Type | Field and Description |
---|---|
static DecimalFormat |
FORMAT |
Constructor and Description |
---|
Calculator() |
public static final DecimalFormat FORMAT
public void enter(char c)
public String getCurrentValue()
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