When is an empty base class constructor function necessary?

What will be an ideal response?

(This question is confusing, sorry.) An empty base class constructor function is necessary if the derived class constructor has input parameters.

Computer Science & Information Technology

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One advantage of variables and named constants is that their use requires fewer lines of code.

Answer the following statement true (T) or false (F)

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Computer Science & Information Technology

What is the output of the following code?

``` ArrayList list = new ArrayList(); String s1 = new String("Java"); String s2 = new String("Java"); list.add(s1); list.add(s2); System.out.println((list.get(0) == list.get(1)) + " " + (list.get(0)).equals(list.get(1))); ``` a. true false b. false true c. true true d. false false

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Computer Science & Information Technology

____________________ is the study of safe and efficient environments, particularly working environments.

Fill in the blank(s) with the appropriate word(s).

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Computer Science & Information Technology

Bridges limits of less-capable browser with capabilities of another.

a. Vendor prefixes b. Multiple backgrounds c. Opacity property d. Polyfills

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Computer Science & Information Technology