Class MyVector

java.lang.Object
  |
  +--java.util.AbstractCollection
        |
        +--java.util.AbstractList
              |
              +--java.util.Vector
                    |
                    +--MyVector

All Implemented Interfaces:

java.lang.Cloneable, java.util.Collection, java.util.List, java.io.Serializable

public class MyVector

extends java.util.Vector

Adds methods to pick elements from a vector

See Also:

Serialized Form

Fields inherited from class java.util.Vector

capacityIncrement, elementCount, elementData

Fields inherited from class java.util.AbstractList

modCount

Constructor Summary

MyVector(int argSize)
Mimic the superclass constructor

Method Summary

java.lang.Object	findByName(java.lang.String name) Find an element in the vector given its name
(package private) java.lang.Object	randomEntry() Selects an element at random from the vector
java.lang.Object	select(java.lang.String prompt) Displays a window showing the elements of the vector in order, allows the user to select one, and returns the result, or null.

Methods inherited from class java.util.Vector

add, add, addAll, addAll, addElement, capacity, clear, clone, contains, containsAll, copyInto, elementAt, elements, ensureCapacity, equals, firstElement, get, hashCode, indexOf, indexOf, insertElementAt, isEmpty, lastElement, lastIndexOf, lastIndexOf, remove, remove, removeAll, removeAllElements, removeElement, removeElementAt, removeRange, retainAll, set, setElementAt, setSize, size, subList, toArray, toArray, toString, trimToSize

Methods inherited from class java.util.AbstractList

iterator, listIterator, listIterator

Methods inherited from class java.lang.Object

, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface java.util.List

iterator, listIterator, listIterator

Constructor Detail

MyVector

public MyVector(int argSize)

Mimic the superclass constructor

Method Detail

findByName

public java.lang.Object findByName(java.lang.String name)
                            throws CantFindObjectException

Find an element in the vector given its name

Parameters:

a - case-insensitive name for which we want to search

Returns:

the object found

Throws:

CantFindObjectException - if no matching object is found

randomEntry

java.lang.Object randomEntry()

Selects an element at random from the vector

Returns:

the randomly-chosen element, or null if the vector has no elements

select

public java.lang.Object select(java.lang.String prompt)

Displays a window showing the elements of the vector in order, allows the user to select one, and returns the result, or null.

Parameters:

prompt - a title for the selection window

Returns:

the selected object, or null if the user cancelled from the selection window