Answer the following statements true (T) or false (F)
1. If an expression A is true, prefixing it with the ! operator causes the combined expression to become false, as in !A.
2. The && and || logical operators have a higher precedence than the relational operators.
3. The ! operator has a higher precedence than the relational operators (such as < or >).
4. Variables of the double data type are commonly used as flags.
5. The == operator cannot be used to compare string expressions.
1. true
2. false
3. true
4. false
5. false
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Which statement is false?
a. When a List is backed by an array, any modifications made through the List view change the array. b. When a List is backed by an array, any modifications made to the array change the List view. c. The only operation permitted on the view returned by Arrays method asList is delete, which deletes the value from the view and the backing array. d. Adding elements to the view returned by Arrays method asList results in an UnsupportedOperationException.
You can create vector drawings by combining several shapes within a rectangular area called a(n) drawing area.
Answer the following statement true (T) or false (F)
The purpose of the img element’s ______ attribute is to provide a method for a browser to display different images depending on specific criteria indicated by the web developer.
a. picture b. srcset c. sizes d. media
Which of the symbols below is not a relational operator?
A. = B. > C. != D. ==