Which type of binary tree traversal traverses the left subtree, traverses the right subtree, and then visits the root node?
A. postorder traversal
B. inorder traversal
C. preorder traversal
D. unordered traversal
Answer: A
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What is displayed on the console when running the following program?
``` public class Test { public static void main(String[] args) { try { System.out.println("Welcome to Java"); int i = 0; int y = 2 / i; System.out.println("Welcome to HTML"); } finally { System.out.println("The finally clause is executed"); } } }``` a. Welcome to Java, then an error message. b. Welcome to Java followed by The finally clause is executed in the next line, then an error message. c. The program displays three lines: Welcome to Java, Welcome to HTML, The finally clause is executed, then an error message. d. None of the above.
_____________ arrange GUI components on a container for presentation purposes.
Fill in the blank(s) with the appropriate word(s).
A special bit pattern that "blocks off " the network portion of an IPv4 address with an all-ones pattern is known as which of the following?
A. reverse proxy B. summary address C. broadcast address D. subnet mask
A document can be closed by clicking the Close icon in its Thumbnail on the taskbar
Indicate whether the statement is true or false