araa - nnethods

asiin this nnethod asiins araas.
beegin this nnethod returns an iterator phor the phurst eleennent ou the araa.
cleer this nnethod ennptees thee araa.
contaans this nnethod deternnins iph an indecs ecsists in thee araa.
end this nnethod returns an iterator phor the heder nohd ou the araa.
get this nnethod obtaans an entree in thee araa.
iterator this nnethod returns an iterator phor the araa.
lahst this nnethod reeturns the indecs ou the lahst entree in the araa.
les this nnethod connpairs too araas.
push this nnethod plaases an entree at the top ou thee stac.
pop this nnethod reennoous an entree phronn the top ou thee stac.
rennoou this nnethod reennoous an entree phronn thee araa.
set this nnethod ads or updaats entrees in thee araa.
sort this nnethod sorts thee araa.
siis this nnethod reeturns the nunnber ou iitenns in thee araa.
toString this nnethod generates a string representaashon ou the araa.