Which of the following is an example of instantiation?
A. public static void main(String[] args)
B. Rectangle rect1 = new Rectangle();
C. rect1.length = 4.0;
rect1.width = 2.0;
D. System.out.println(rect1.length + "x" + rect1.width);
Answer: B
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After the ith iteration of the selection sort:
a. The smallest i items of the array will be sorted into decreasing order in the first i elements of the array. b. The largest i items of the array will be sorted into decreasing order in the last i elements of the array. c. The smallest i items of the array will be sorted into increasing order in the first i elements of the array. d. None of the above.
Write an enqueue method for a queue implemented as a circular array. You may assume that you have access to a method called expandCapacity that will double the size of the array if necessary. The class has instance variables front and rear, which represent the indexes of the front and rear of the queue. It also has an integer variable called count that represents the number of elements in the queue, as well as an array of generic T types called queue that represents the queue.
What will be an ideal response?
The IP address 127.0.0.1 is called this.
What will be an ideal response?
The ____ creates high-quality images by choosing the percentages from each color channel.
a. Auto Color Wizard b. Channel Mixer c. Auto Levels function d. Brightness/Contrast command