Java

The best-case performance of quick sort for n items is O(log n) O(n) O(n log n) O(n^2) None of the above Given the following infix expression, which one of the following is the corresponding postfix expression? W + x * y/z + w w x y * +z/w x + y z */w + xy * z/+w w x y * z/+ w + None of the above Given the following infix expression, which one of the following is the corresponding postfix expression? (a + b) * (c - d)/e + f a b c d +- * e f +/a b c d e f +* -/+ a b + c d - * e/f + a b + c d - * e f +one of the above In an array-based implementation of a queue, a possible solution to dealing with the full condition is to maintain a count of queue items check for frontindex equal to backindex wait for an arrayFull Expection to be thrown all of the above Give the preorder traversal of the following binary tree