A triangulation of a polygon is a set of T chords that divide the polygon into disjoint triangles. Every triangulation of n-vertex convex polygon has _____ chords and divides the polygon into _____ triangles.
| A. | n – 2, n – 1 |
| B. | n – 3, n – 2 |
| C. | n – 1, n |
| D. | n – 2, n – 2 |
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Option: B Explanation : Click on Discuss to view users comments. |
| A. | not of class type itself |
| B. | class type itself |
| C. | a destructor of class type |
| D. | a destructor not of class type |
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Option: B Explanation : Click on Discuss to view users comments. |
It is possible to define a class within a class termed as nested class. There are _____ types of nested classes.
| A. | 2 |
| B. | 3 |
| C. | 4 |
| D. | 5 |
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Option: C Explanation : There are four kinds of nested class in Java.
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Which of the following statements is correct ?
| A. | Aggregation is a strong type of association between two classes with full ownership. |
| B. |
Aggregation is a strong type of association between two classes with partial ownership.
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| C. |
Aggregation is a weak type of association between two classes with partial ownership.
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| D. | Aggregation is a weak type of association between two classes with full ownership. |
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Option: C Explanation : Click on Discuss to view users comments. |
Which of the following statements is correct ?
| A. | Every class containing abstract method must not be declared abstract. |
| B. | Abstract class cannot be directly initiated with ‘new’ operator. |
| C. | Abstract class cannot be initiated. |
| D. | Abstract class contains definition of implementation. |
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Option: C Explanation : Click on Discuss to view users comments. |
