CollectionUtil (ArgoUML Javadoc for internal use)

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org.argouml.util
Class CollectionUtil

java.lang.Object
  org.argouml.util.CollectionUtil

Some helper methods for dealing with collections.

Method Summary
`static java.lang.Object`	`getFirstItem(java.util.Collection c)` Return the first item from a collection using the most efficient method possible.
`static java.lang.Object`	`getFirstItemOrNull(java.util.Collection c)` Return the first item from a collection using the most efficient method possible.
`static int`	`indexOf(java.util.Collection c, java.lang.Object elem)` Get the index position of an element in a collection

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

Method Detail

public static java.lang.Object getFirstItem(java.util.Collection c)

Return the first item from a collection using the most efficient method possible.

public static java.lang.Object getFirstItemOrNull(java.util.Collection c)

Return the first item from a collection using the most efficient method possible. Returns null for an empty collection.

public static int indexOf(java.util.Collection c,
                          java.lang.Object elem)

Get the index position of an element in a collection

Parameters:: c - The Collection.; elem - the element to find the index of
Returns:: the element index