Which of the following statements is true?
a. Constructors can specify parameters and return types.
b. Constructors can specify parameters but not return types.
c. Constructors cannot specify parameters but can specify return types.
d. Constructors can specify neither parameters nor return types.
B
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Long methods are more comprehensive and therefore, less error prone.
Answer the following statement true (T) or false (F)
Analyze the following code.
``` public class Test { int x; public Test(String t) { System.out.println("Test"); } public static void main(String[] args) { Test test = null; System.out.println(test.x); } }``` a. The program has a compile error because test is not initialized. b. The program has a compile error because x has not been initialized. c. The program has a compile error because you cannot create an object from the class that defines the object. d. The program has a compile error because Test does not have a default constructor. e. The program has a runtime NullPointerException because test is null while executing test.x.
In programming, the preparation tasks performed before processing data records are known as ____.
A. field testing B. module processing C. housekeeping D. data validation
For webpages destined for print on 8.5 x 11-inch paper, you should try to keep text and graphics within ____.
A. 560 pixels wide and 310 pixels high B. 660 pixels wide and 310 pixels high C. 760 pixels wide and 410 pixels high D. 860 pixels wide and 710 pixels high