Select an expression to complete the program segment below, which is designed to read data from a file whose name is specified as the first command line argument.If no command line arguments are given, the program reads data from the default.txt file.
A)args 0
B)args[0] != null
C)args.length = 0
D)args.length 0

Question

Select an expression to complete the program segment below, which is designed to read data from a file whose name is specified as the first command line argument.If no command line arguments are given, the program reads data from the default.txt file.  
A)args > 0 
B)args[0] != null 
C)args.length >= 0 
D)args.length > 0

Quizplus · Accepted Answer

The expression "args.length > 0" checks if there is at least one command line argument. If there is, the program reads data from the specified file. If there is no command line argument, the program reads data from the default file.

Select an Expression to Complete the Program Segment Below, Which