Изменения
→Псевдокод
'''while''' (x '''!'''= null)
'''int''' cmp = key.compareTo(x.key)
'''if''' (cmp == 0)
'''return''' x.val
'''else'''
'''if''' (cmp < 0)
x = x.left
'''else'''
'''if''' (cmp > 0)
x = x.right
'''return''' ''null''
