What is an escape sequence and why would a Java programmer use it to store a character?
What will be an ideal response?
You can store any character-including nonprinting characters such as a backspace or a tab-in a char variable. To store these characters, you can use an escape sequence, which always begins with a backslash followed by a character-the pair represents a single character. You might want to use an escape sequence when you want to produce console output on multiple lines in the command window without using multiple println() methods.
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Match the following SQL keywords with their purposes:
I. SELECT II. FROM III. WHERE IV. GROUP BY V. ORDER BY A. This is not a SQL keyword. B. Specifies the sort order of the records C. Specifies which table or tables contain the necessary fields D. Specifies any criteria which will be applied to the records E. Specifies which fields will be displayed
________ is a term referring to the user perception of their use of the application on the network
A) QoS B) QoE C) Qem D) QoM