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## org.opencyc.util
Class AbstractPair

    java.lang.Object
      |
      +--org.opencyc.util.AbstractPair

All Implemented Interfaces:
  java.io.Serializable

Direct Known Subclasses:
  Pair

public abstract class AbstractPair
extends java.lang.Object
implements java.io.Serializable

Implements an ordered pair, two associated `Object`s.

Author:
  Bjørn Aldag

  Copyright 2001 Cycorp, Inc., license is open source GNU LGPL.

  the license

  www.opencyc.org

  OpenCyc at SourceForge

  THIS SOFTWARE AND KNOWLEDGE BASE CONTENT ARE PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OPENCYC ORGANIZATION OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE AND KNOWLEDGE BASE CONTENT, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

See Also:
  Serialized Form

Field Summary
`protected static java.lang.String` | `beginChar`
`java.lang.Object` | `component1` The first component of the pair.
`java.lang.Object` | `component2` The second component of the pair.
`protected static java.lang.String` | `endChar`
`protected static java.lang.String` | `separatorChar`
`protected static java.lang.String` | `separators`

Constructor Summary
`AbstractPair()` Constructs an AbstractPair object.
`AbstractPair(java.lang.Object component1, java.lang.Object component2)` Constructs a new pair, with `component1` as its first and `component2` as its second component.

Method Summary
`boolean` | `elementsEqual()`
`boolean` | `equals(java.lang.Object o)` Compares the specified object with this `AbstractPair` for equality.
`int` | `hashCode()` Returns a hash code value of this pair.
`java.lang.String` | `toString()` Returns a string representation of this pair.

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

Field Detail

### beginChar

    protected static final java.lang.String beginChar

### endChar

    protected static final java.lang.String endChar

### separatorChar

    protected static final java.lang.String separatorChar

### separators

    protected static final java.lang.String separators

### component1

    public java.lang.Object component1

  The first component of the pair.

### component2

    public java.lang.Object component2

  The second component of the pair.

Constructor Detail

### AbstractPair

    public AbstractPair()

  Constructs an AbstractPair object.

### AbstractPair

    public AbstractPair(java.lang.Object component1,
                        java.lang.Object component2)

  Constructs a new pair, with `component1` as its first and `component2` as its second component.

Method Detail

### equals

    public boolean equals(java.lang.Object o)

  Compares the specified object with this `AbstractPair` for equality.

  Returns `true` if the given object is also a pair with the same components, `false` otherwise.

  Overrides:
    `equals` in class `java.lang.Object`
  Returns:
    `true` if the given object is also a pair with the same components, `false` otherwise.

### elementsEqual

    public boolean elementsEqual()

### hashCode

    public int hashCode()

  Returns a hash code value of this pair.
  Overrides:
    `hashCode` in class `java.lang.Object`
  Returns:
    a hash code value of this pair.

### toString

    public java.lang.String toString()

  Returns a string representation of this pair.
  Overrides:
    `toString` in class `java.lang.Object`
  Returns:
    a string representation of this pair.

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