getChars()

length()

charAt()

substring()

delete()

replace ()

append (int begin, int end, String str)

reverse ()

isEmpty (object element)

size (object element)

capacity (object element)

indexOf (object element)

isEmpty (object element)

size (object element)

contains (object element)

capacity (object element)

toUpperCase()

replace ()

toLowerCase()

compareTo()

VarString

HashString

String

StringBuffer

size ()

set ()

capacity ()

isEmpty ()

pop (Object item)

peek (Object item)

push (Object item)

empty (Object item)

Hashtable (int capacity)

Hashtable ()

Hashtable (float loadFactor)

Hashtable (int capacity, float loadFactor)

boolean contains(Object obj)

void clear()

boolean remove(object obj)

boolean add(Object obj)