Which of the following form controls provides multiple choice options?
A. text area
B. control button
C. radio button
D. checkbox
Answer: C
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Analyze the following code.
``` class Test { public static void main(String[] args) { StringBuilder strBuf = new StringBuilder(4); strBuf.append("ABCDE"); System.out.println("What's strBuf.charAt(5)? " + strBuf.charAt(5)); } }``` a. The program has a compile error because you cannot specify initial capacity in the StringBuilder constructor. b. The program has a runtime error because because the buffer's capacity is 4, but five characters "ABCDE" are appended into the buffer. c. The program has a runtime error because the length of the string in the buffer is 5 after "ABCDE" is appended into the buffer. Therefore, strBuf.charAt(5) is out of range. d. The program compiles and runs fine.
Case-Based Critical Thinking QuestionsCase 1-1During your senior year, you are serving as a tutor in the computer science department, offering to help other students with their coursework. One of the most daunting topics for beginning students is keeping bitmaps and vectors straight. One of your tutees, Joe, is a case in point. Which of the following is NOT a true statement you can make to Joe as you explain bitmaps to him?
A. A 100x100-pixel bitmap graphic is simply a grid containing 10,000 colored pixels. B. JPEG and GIF are two of the most common file formats. C. If you enlarge a bitmap graphic, the edges become ragged. D. A bitmap graphic is a set of mathematical instructions that describe the color, outline, and position of all the shapes of the image.
As you type, the word count indicator on the taskbar displays the number of words your document contains. _________________________
Answer the following statement true (T) or false (F)
Which error code will display if a number is used invalidly in a cell?
A. #NUM! B. #VAL C. #VALUE! D. #NAME?