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## com.sun.el.lang
Class ELArithmetic

    java.lang.Object
      com.sun.el.lang.ELArithmetic

Direct Known Subclasses:
  ELArithmetic.BigDecimalDelegate, ELArithmetic.BigIntegerDelegate, ELArithmetic.DoubleDelegate, ELArithmetic.LongDelegate

    public abstract class ELArithmetic

extends Object

A helper class of Arithmetic defined by the EL Specification

Version:
  $Change: 181177 $$DateTime: 2001/06/26 08:45:09 $$Author: tcfujii $
Author:
  Jacob Hookom [jacob@hookom.net]

Nested Class Summary
`static class` | `ELArithmetic.BigDecimalDelegate`
`static class` | `ELArithmetic.BigIntegerDelegate`
`static class` | `ELArithmetic.DoubleDelegate`
`static class` | `ELArithmetic.LongDelegate`

Field Summary
`static ELArithmetic.BigDecimalDelegate` | `BIGDECIMAL`
`static ELArithmetic.BigIntegerDelegate` | `BIGINTEGER`
`static ELArithmetic.DoubleDelegate` | `DOUBLE`
`static ELArithmetic.LongDelegate` | `LONG`

Constructor Summary
`protected` | `ELArithmetic()`

Method Summary
`protected abstract Number` | `add(Number num0, Number num1)`
`static Number` | `add(Object obj0, Object obj1)`
`protected abstract Number` | `coerce(Number num)`
`protected Number` | `coerce(Object obj)`
`protected abstract Number` | `coerce(String str)`
`protected abstract Number` | `divide(Number num0, Number num1)`
`static Number` | `divide(Object obj0, Object obj1)`
`static boolean` | `isNumber(Object obj)`
`static boolean` | `isNumberType(Class type)`
`protected abstract boolean` | `matches(Object obj0, Object obj1)`
`protected abstract Number` | `mod(Number num0, Number num1)`
`static Number` | `mod(Object obj0, Object obj1)`
`protected abstract Number` | `multiply(Number num0, Number num1)`
`static Number` | `multiply(Object obj0, Object obj1)`
`protected abstract Number` | `subtract(Number num0, Number num1)`
`static Number` | `subtract(Object obj0, Object obj1)`

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Field Detail

### BIGDECIMAL

    public static final ELArithmetic.BigDecimalDelegate BIGDECIMAL

### BIGINTEGER

    public static final ELArithmetic.BigIntegerDelegate BIGINTEGER

### DOUBLE

    public static final ELArithmetic.DoubleDelegate DOUBLE

### LONG

    public static final ELArithmetic.LongDelegate LONG

Constructor Detail

### ELArithmetic

    protected ELArithmetic()

Method Detail

### add

    public static final Number add(Object obj0,
                                   Object obj1)

### mod

    public static final Number mod(Object obj0,
                                   Object obj1)

### subtract

    public static final Number subtract(Object obj0,
                                        Object obj1)

### divide

    public static final Number divide(Object obj0,
                                      Object obj1)

### multiply

    public static final Number multiply(Object obj0,
                                        Object obj1)

### isNumber

    public static final boolean isNumber(Object obj)

### isNumberType

    public static final boolean isNumberType(Class type)

### add

    protected abstract Number add(Number num0,
                                  Number num1)

### multiply

    protected abstract Number multiply(Number num0,
                                       Number num1)

### subtract

    protected abstract Number subtract(Number num0,
                                       Number num1)

### mod

    protected abstract Number mod(Number num0,
                                  Number num1)

### coerce

    protected abstract Number coerce(Number num)

### coerce

    protected final Number coerce(Object obj)

### coerce

    protected abstract Number coerce(String str)

### divide

    protected abstract Number divide(Number num0,
                                     Number num1)

### matches

    protected abstract boolean matches(Object obj0,
                                       Object obj1)

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