Sun Java Certification Program 1.0 B

Section B
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QUESTION NO: 101
Which statement is true?
A. The Error class is a untimeException.
B. No exceptions are subclasses of Error.
C. Any statement that may throw an Error must be enclosed in a try block.
D. Any statement that may throw an Exception must be enclosed in a try block.
E. Any statement that may thro a runtimeException must be enclosed in a try block.

Answer: D

QUESTION NO: 102
Exhibit:
1. int I=1, j=0
2.
3. switch(i) {
4. case 2:
5. j+=6;
6.
7. case 4:
8. j+=1;
9.
10. default:
11. j +=2;
12.
13. case 0:
14. j +=4;
15. }
16.
What is the value of j at line 16?
A. 0
B. 1
C. 2
D. 4
E. 6

Answer: AE

QUESTION NO: 103
Given:
1. switch (i) {
2. default:
3. System.out.printIn(“Hello”);
4. )
What is the acceptable type for the variable i?
A. Byte
B. Long
C. Float
D. Double
E. Object
F. A and B
G. C and D

Answer: A

QUESTION NO: 104
You need to store elements in a collection that guarantees that no duplicates are stored.
Which two interfaces provide that capability? (Choose Two)
A. Java.util.Map
B. Java.util.Set
C. Java.util.List
D. Java.util.StoredSet
E. Java.util.StoredMap
F. Java.util.Collection

Answer: B, D

C. QUESTION NO: 105
D. Which statement is true for the class java.util.ArrayList?
A. The elements in the collection are ordered.
B. The collection is guaranteed to be immutable.
C. The elements in the collection are guaranteed to be unique.
D. The elements in the collection are accessed using a unique key.
E. The elements in the collections are guaranteed to be synchronized.

Answer: A

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