In the _____ traversal of a binary tree, we process all of the children of a node before proceeding with the next level.
A. breadth-first
B. preorder
C. postorder
D. inorder
Answer: A
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Which of the following statements is true?
a) Methods and instance variables can be public, protected or private. b) Information hiding is achieved by restricting access to class members via keyword public. c) The public members of a class are not directly accessible to the client of a class. d) None of the above is true.
[CD] Markup the Java code listed in Fig. 5.12 using XML. Represent the if statement with element if—which contains one or more condition elements and one or more statement elements. Element condition contains the condition (e.g., m == month && d == day) and element statement contains the statements (e.g., resultDay = "DATE: D " + d + " M " + m). We have provided comments to the right of conditions and statements for easy identification. Element else represents an else statement in Java and contains one or more statement elements. Render the XML document in IE5.
Fig 5.12
```
if ( ( m == month && d == day ) || // m == month && d == day
( month == -1 && d == day ) || // month == -1 && d == day
( m == month && day == -1 ) || // m == month && day == -1
( month > -1 && day <= -1 ) ) { // month > -1 && day <= -1
resultDay = "DATE: D " + d + " M " + m; // a statement
processChildNodes(dateElement.getChildNodes());// a statement
}
else // else statement
return; // a statement
```
Avoid the common mistakes many new presenters make during presentations using PowerPoint, such as ________ from the slides and turning their backs on the audience
a. Speaking too slowly b. Reading from the slides c. Deviating d. None of the above
Animation combines two concepts we experience every moment of our lives--time and _______________.
Fill in the blank(s) with the appropriate word(s).