SubtractExpression

java.lang.Object
- org.vedantatree.expressionoasis.expressions.BinaryOperatorExpression
- - org.vedantatree.expressionoasis.expressions.arithmatic.SubtractExpression

All Implemented Interfaces:

Expression
```
public class SubtractExpression
extends BinaryOperatorExpression
```
This class expression performs the subtraction

- Nested Class Summary
  - Nested classes/interfaces inherited from class org.vedantatree.expressionoasis.expressions.BinaryOperatorExpression
    BinaryOperatorExpression.TypePair
- Field Summary
  - Fields inherited from class org.vedantatree.expressionoasis.expressions.BinaryOperatorExpression
    leftOperandExpression, rightOperandExpression
- Constructor Summary
  
  Constructors
  Constructor Description
  
  SubtractExpression()
- Method Summary
  
  All Methods Instance Methods Concrete Methods
  Modifier and Type Method Description
  
  ValueObject getValue()
  Performs the substraction.
  - Methods inherited from class org.vedantatree.expressionoasis.expressions.BinaryOperatorExpression
    accept, addTypePair, createTypePair, getLeftOperandExpression, getReturnType, getRightOperandExpression, initialize, toString, uninitialize, validate
  - Methods inherited from class java.lang.Object
    clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

- Constructor Detail
  - SubtractExpression
```
public SubtractExpression()
```
- Method Detail
  - getValue
```
public ValueObject getValue()
                     throws ExpressionEngineException
```
    Performs the substraction.
    
    Specified by:
    
    getValue in interface Expression
    
    Overrides:
    
    getValue in class BinaryOperatorExpression
    
    Returns:
    
    the value of expression (after expression evaluation)
    
    Throws:
    
    ExpressionEngineException - if there is any problem during execution
    
    See Also:
    
    Expression.getValue()