Index[SYMBOL] [A] [B] [C] [D] [E] [F] [G] [H] [I] [J] [K] [L] [M] [N] [O] [P] [Q] [R] [S] [T] [U] [V] [W] quadratic (time) querying Queue 2nd 3rd 4th 5th 6th 7th 8th 9th 10th add 2nd adding an element choosing a element 2nd implementations of iterator nonblocking implementation offer 2nd 3rd peek 2nd 3rd performance poll 2nd pull remove 2nd 3rd 4th retrieving an element thread safety 2nd queue 2nd 3rd blocking concurrent head tail traversal unbounded |