Examlex
To determine if a file or folder exists, use the File class's exist? method.
Q3: You can use the Hash class's hash
Q12: You can instruct the IRB to load
Q12: Ultrasonic inspection (UT) is a nondestructive test.
Q13: When an error occurs in a Ruby
Q20: Ruby's built-in debugger allows you to monitor
Q25: _ consists of heating to a point
Q26: Ruby variable names are:<br>A) Case sensitive<br>B) Case
Q29: Using a minimum amount of code, loops
Q43: _ help maintain a separation between an
Q52: The print method displays a line of