JSliders generate what type of event?
a. ActionEvents.
b. ChangeEvents.
c. WindowEvents.
d. MouseEvents.
B
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__________ methods enable a program to view a portion of a collection.
a. Focus-view. b. Range-view. c. Delimiter-view. d. Subset-view.
Answer the following questions true (T) or false (F)
1. Suppose a programmer supplies the ampersand for call-by-reference in a prototype, but forgets to put the ampersand in the definition. The compiler will nevertheless correctly interpret the programmer’s intent and compile the function. 2. Mixing call-by-reference and call-by-value parameters is strictly prohibited.
Consider the relational schema R(A, B, C, D). For each of the following functional dependencies identify the candidate key(s) for R and state its strongest normal form. If appropriate, decompose to BCNF.
(a) B ? C, C ? A, C ? D (b) B ? C, D ? A (c) ABC ? D, D ? A (d) A ? B, A ? C, BC ? D (e) AB ? C, AB ? D, C ? A, D ? B
Echo error rarely occurs at junctions where wires are connected.?
Answer the following statement true (T) or false (F)