Select an expression to complete the program segment below, which displays an error message and terminates normally if the String variable accountNumber does not contain an integer value. 
Definitions:
United Nations
An international organization formed in 1945 to promote peace, security, and cooperation among the world's countries.
Global Peace
A state of harmony among countries and societies around the world, characterized by the absence of conflict and the presence of cooperative international relationships.
Diplomacy
The practice of conducting negotiations and maintaining relationships between nations through dialogue, negotiation, and conflict resolution strategies.
Flat World
This term refers to a global environment where geographical and cultural barriers to trade are diminishing, making it easier to do business worldwide.
Q5: Consider the following code snippet: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB7392/.jpg"
Q8: When does quicksort's worst-case run-time behavior occur?<br>i.when
Q26: One reason management may choose the straight-line
Q42: Given the following diagram showing class relationships:
Q44: Which of the following code statements creates
Q59: The merge sort algorithm presented in section
Q66: Why is it generally considered good practice
Q68: During the implementation phase, which of the
Q100: The following code is an example of
Q139: A company has $200 in cash, $500